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Tamil Nadu Board of Secondary EducationHSC Science Class 11

Differentiate the following:y = cos (a3 + x3)

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Question

Differentiate the following:
y = cos (a3 + x3)

Sum
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Solution

y = cos (a3 + x3)

[y = f(g(x)

`("d"y)/("d"x)` = f'(g(x)) . g'(x)]

`("d"y)/("d"x) = - sin ("a"^3 + x^3) "d"/("d"x) ("a"^3 + x^3)`

`("d"y)/("d"x)` = – sin (a3 + x3)(0 + 3x2)

`("d"y)/("d"x)` = – 3x2 sin (a3 + x3)

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Chapter 10: Differential Calculus - Differentiability and Methods of Differentiation - Exercise 10.3 [Page 163]

APPEARS IN

Samacheer Kalvi Mathematics - Volume 1 and 2 [English] Class 11 TN Board
Chapter 10 Differential Calculus - Differentiability and Methods of Differentiation
Exercise 10.3 | Q 10 | Page 163

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