Giving your answer in its simplest form, find the exact value of
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Giving your answer in its simplest form, find the exact value of
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Find and hence evaluate the area enclosed by the curve and the lines .
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Find the exact value of .
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Given
find the exact value of .
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Given that where , find the value of .
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Find , giving your answer in the form , where and are rational numbers.
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A curve is such that . Given that at the point on the curve, find the equation of the curve.
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The diagram shows part of the graphs of and .The graph of meets the -axis at the point and the two graphs intersect at the point .
Find the value of and of .
Find the area of the shaded region.
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The diagram shows the straight line and part of the curve . The straight line intersects the -axis at the point and intersects the curve at the point . The point lies on the curve. The point has coordinates (1, 0). The line is parallel to the -axis.
Find the coordinates of each of the points and .
Find the area of the shaded region, giving your answer in the form , where and are positive integers.
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The diagram shows part of the curve intersecting the straight line at the point .
The straight line meets the -axis at the point . The point lies on the -axis and the point lies on the curve such that the line has equation . Find the exact area of the shaded region, giving your answer in the form , where and are constants.
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[3]
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Given that , find the value of the positive constant .
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Given that , where , find the exact value of , giving your answer in simplest surd form.
Find the exact value of .
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Show that can be written as
The diagram shows part of the curve , the line and a straight line of gradient 1. The curve intersects the -axis at the point . The line of gradient 1 passes through and intersects the -axis at the point . Find the area of the shaded region, giving your answer in the form , where and are constants.
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The diagram shows part of the curve and the line , where .
The line through the maximum point of the curve, parallel to the -axis, meets the -axis at .
The curve meets the -axis at , and the line meets the curve at the point .
Find the area of the shaded region.
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Show that can be written as .
Hence find , giving your answer as a single logarithm and an arbitrary constant.
Given that , where , find the exact value of .
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A curve is such that . This curve has a gradient of at the point . Find the equation of this curve.
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The gradient of the normal to a curve at the point is given by
Given that the curve passes through the point , show that its equation is .
Find, in the form , the equation of the tangent to the curve at the point where .
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