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 Px3/2 + Qx1/2 + 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.
Transcribed Image Text:
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
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Related Book For
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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