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Differential Calculus> double differentiable function...

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what is the double differentiation formula like for f'x it is x/f(x)wat is it for f''x ?

SARBANI MOHANTY , 15 Years ago

Grade 11

1 Answers

Badiuddin askIITians.ismu Expert

Last Activity: 15 Years ago

Dear SARBANI MOHANTY

f'(x) = x/f(x)

differentiate

f''(x) ={f(x) -xf'(x)}/f²(x)

put value of f'(x)

f''(x) ={f(x) -x²/f(x)}/f²(x)

={f²(x) -x²}/f³(x)

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