Physics, asked by kitty2729, 1 year ago

what is second derivative of x cos x

Answers

Answered by mayank8181

0

derivation of x cosx = -sinx

mayank8181: -sinx + cosx

mayank8181: -x sinx + cosx

Answered by swapnaezhilarasan123

0

Answer:

- x cos x - 2 sin x

Explanation:

first derivative: cos x - x sin x

second derivative: - x cos x - 2 sin x

kitty2729: how?

swapnaezhilarasan123: Use UV method

swapnaezhilarasan123: consider U as 'x' and V as 'cos' then derivate it using the formula uv'-vu'

kitty2729: what is UV method

swapnaezhilarasan123: formula uv'-vu'

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