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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 ?`
8 years ago

147 Points
```										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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8 years ago
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