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Differentiate the function with respect to x: (3x2 – 9x + 5)9

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Question

Differentiate the function with respect to x:

(3x2 – 9x + 5)9

Sum
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Solution

Let, y = (3x2 – 9x + 5)9

On differentiating with respect to x,

`dy/dx = d/dx (3x^2 - 9x + 5)^9`

= `9 (3x^2 - 9x + 5)^(9 - 1) d/dx (3x^3 - 9x + 5)`

= 9(3x2 – 9x + 5)8 ⋅ (6x – 9)

= 27(3x2 – 9x + 5)8 ⋅ (2x – 3)

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Chapter 5: Continuity and Differentiability - Exercise 5.9 [Page 191]

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NCERT Mathematics Part 1 and 2 [English] Class 12
Chapter 5 Continuity and Differentiability
Exercise 5.9 | Q 1 | Page 191

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