a. Given that y = (x + 8)x 4, show that dy/dx = kx/x 4,
Question:
a. Given that y = (x + 8)√x – 4, show that dy/dx = kx/√x – 4, and state the value of k.
b. Hence find ʃ x/√x – 4 dx.
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Step by Step Answer:
a To find dydx we will use the chain rule We have y x 8x 4 dydx ddxx 8x x 8ddxx ddx4 ...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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