Medium Math Class 12 Level 8

What is d/dx [sin(9x)]?

d/dx [sin(9x)] क्या है?

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Correct Answer

B. 9cos(9x)

Explanation

Step 1: Use the derivative of sine with the chain rule. Step 2: The derivative of sin(9x) is cos(9x)×9 = 9cos(9x). Step 3: Do not forget to multiply by the derivative of the inside function.

Step 1: Chain rule के साथ sin का derivative लगाएँ। Step 2: sin(9x) का derivative cos(9x)×9 = 9cos(9x) है। Step 3: Inside function का derivative multiply करना न भूलें।

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