a. Show that f(x) can be written in the form Px 3/2 + Qx 1/2 + Rx

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a. Show that f(x) can be written in the form Px^3/2 + Qx^1/2 + Rx^−1/2, stating the values of the constants P, Q and R.

b. Find f′(x).

c. A curve has equation y = f(x). Show that the tangent to the curve at the point where x = 1 is parallel to the line with equation 2y = 11x + 3.

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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

ISBN: 9781292183398

1st Edition

Authors: Greg Attwood

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Question Posted: Jul 15, 2023 03:27 AM

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a. Show that f(x) can be written in the form Px 3/2 + Qx 1/2 + Rx

Question:

f(x) =- (2x + 1)(x + 4) √x x > 0.

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a To write fx in the form Px32 Qx12 Rx12 we can rewrite the given function fx x 2x3 3x12 Lets simpli...View the full answer

Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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