Expert Math Class 12 Level 3

For y=x^4, what is d²y/dx² at x=2?

y=x^4 के लिए d²y/dx² at x=2 क्या है?

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Correct Answer

D. 48

Explanation

Step 1: Identify the concept: second derivative. Step 2: The second derivative is n(n-1)x^(n-2). Substituting x=2 gives 48. Step 3: Exam tip: Apply the power rule twice for a second derivative.

Step 1: अवधारणा second derivative है। Step 2: Second derivative n(n-1)x^(n-2) है। x=2 रखने पर 48। Step 3: याद रखें: Second derivative के लिए power rule दो बार लगाएं।

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