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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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Question Posted: Sep 06, 2021 01:20 AM

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a. Given that y = (x + 8)x 4, show that dy/dx = kx/x 4,

Question:

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

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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