Find, in ascending powers of , the binomial expansion of
up to and including the term in .
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Find, in ascending powers of , the binomial expansion of
up to and including the term in .
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Find the first three terms, in ascending powers of , in the binomial expansion of
State the values of for which your expansion in part (a) is valid.
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Show that
Hence find, in ascending powers of , the first three terms in the binomial expansion of
Using , use your expansion from part (b) to find an approximation to .
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Find, in ascending powers of , the binomial expansion of
up to and including the term in .
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Find the first three terms, in ascending powers of , in the binomial expansion of
State the values of for which your expansion in part (a) is valid.
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Find the coefficient of the term in in the binomial expansion of
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The function is given by
where is an integer.
Find the coefficient of the term in in the binomial expansion of , in terms of .
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Given that is small such that and higher powers of can be ignored show that
Using a suitable value of in the result from part (a), find an approximation for the value of .
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It is given that
where is a non-zero constant.
In their binomial expansions, the coefficient of the term for is equal to the coefficient of the term for
Find the value of .
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Show, as partial fractions, that
Find the first three terms, in ascending powers of , of the binomial expansion of
Hence show that the first three terms, in ascending powers of , in the binomial expansion of
are
Write down the values of for which this expansion converges.
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Find the first three terms in the binomial expansion of .
Write down the values of the expansion is valid for.
The first three terms of the expansion are to be used in a computer program to estimate the value of .
Choose an appropriate value of to use in the expansion and thus find the value the computer program will use to estimate .
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Find, in ascending powers of , the binomial expansion of
up to and including the term in .
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Find the first three terms, in ascending powers of , in the binomial expansion of
State the values of for which your expansion in part (a) is valid.
Using a suitable value of , use your expansion from part (a) to estimate , giving your answer to 3 significant figures.
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Find, in ascending powers of , the binomial expansion of
up to and including the term in .
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Use the binomial expansion to show that the first three terms in the expansion of are
Hence, or otherwise, find the expansion of up to and including the term in .
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The function is given by
where is an integer.
In the binomial expansion of the coefficient of the term in is equal to the coefficient of the term in .
Find the value of .
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The functions and are given as follows
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In the expansion of , where is a negative integer, the coefficient of the term in is .
Find the value of .
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Express in partial fractions.
Use the binomial expansion to find the first three terms, in ascending powers of , in each of and
Hence show that
Write down the values of for which your expansion in part (c) converges.
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Given that is small such that and higher powers of can be ignored show that
For which values of is the approximation in part (a) valid?
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It is given that
and
In their binomial expansions, the coefficient of the term for is equal to the coefficient of the term for
Find the value of .
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Express in partial fractions.
Using binomial expansions, up to and including terms in show that
Explain why the approximation in part (b) is only valid for
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Find the first three terms in the binomial expansion of
Show that the expansion is valid for
The expansion is to be used in a computer program to estimate the value of .
Find the value of to be used and check it meets the validity requirement from part (b).
Hence find the value the computer program will use to estimate .
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Find, in ascending powers of , the binomial expansion of
up to and including the term in .
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Use the first three terms, in ascending powers of in the binomial expansion of
to estimate the value of , giving your answer to three significant figures.
Explain why your approximation in part (a) is valid.
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Find, in ascending powers of , the binomial expansion of
up to and including the term in .
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Use the binomial expansion to expand up to and including the term in
Hence, or otherwise, expand up to and including the term in .
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In the expansion of the coefficient of the term in is double the coefficient of the term in . Find the value of .
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The functions and are given as follows
Expand , in ascending powers of up to and including the term in .
Expand , in ascending powers of up to and including the term in .
Find the expansion of in ascending powers of , up to and including the term in .
Find the values of for which your expansion in part (c) is valid.
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In the expansion of , where is a real number, the coefficient of the term in is .
Find the possible values of .
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Express in partial fractions.
Use the binomial expansion to find the first three terms, in ascending powers of , in each of , , and .
Hence express as the first three terms of a binomial expansion in ascending powers of .
Write down the values of for which your expansion in part (c) converges.
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Given that is small such that and higher powers of can be ignored show that
Find the percentage error between your calculator answer and the approximation in part (a) when , giving your answer to one decimal place.
For which values of is the approximation in part (a) valid?
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In the binomial expansion of where , the coefficient of the term is equal to the coefficient of the term.
Show that .
Given further that find the values of and .
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Express in the form , where and are integers to be found.
Hence, or otherwise, find the binomial expansion of , in ascending powers of , up to and including the term in .
The expansion in part (b) is to be used to approximate the value of a fraction.
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Find the first four terms in the binomial expansion of
Find the values of for which the expansion is valid.
The expansion is to be used in a computer program to estimate the value of .
Check that the expansion is valid for this purpose and use the first four terms of the expansion to estimate the value of .
Find the percentage error the computer program will introduce by using the expansion as an approximation to
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Find, in ascending powers of , the binomial expansion of
up to and including the term in .
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Use the first three terms, in ascending powers of , in the binomial expansion of
to estimate the value of , giving your answer to two decimal places.
Explain why you would not be able to use your expansion to approximate .
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Find, in ascending powers of , the binomial expansion of
up to and including the term in .
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Expand up to and including the term in .
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In the expansion of , the coefficient of the term in is one-seventh of the coefficient of the term in . Find the value of .
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The functions and are given as follows
Find the binomial expansion of , in ascending powers of , up to and including the term in . Also find the values of for which your expansion is valid.
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In the expansion of , where is a real number, the coefficient of the term in is .
Given that find the value of .
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Express in partial fractions.
Express as the first three terms of a binomial expansion in ascending powers of .
Write down the values of for which your expansion in part (b) converges.
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Given that is small such that and higher powers of can be ignored show that
Find the percentage error between your calculator answer and the approximation in part (a) when , giving your answer to one decimal place.
For which values of is the approximation in part (a) valid?
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It is given that
and
The binomial expansions of and have the following properties:
Find the values of and .
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Find the binomial expansion of , in ascending powers of , up to and including the term in .
Explain why the expansion found in part (a) cannot be used when .
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The binomial expansion of
is to be used in a computer program to estimate the reciprocal of .
The computer program needs to be accurate to at least 5 significant figures when compared to the value produced by a scientific calculator.
Find the least number of terms from the expansion that are required for the computer program. Justify that the expansion used is valid.
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