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If y=(x+sqrt(1+x^2))^n then (1+x^2)(d^...

If `y=(x+sqrt(1+x^2))^n` then `(1+x^2)(d^2y)/(dx^2)+x(dy)/(dx)`

A

` -m^(2) y `

B

` m^(2)y`

C

` -my `

D

my

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The correct Answer is:
B
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NIKITA PUBLICATION-DIFFERENTIATION -MCQ
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  15. If y=a cos ( log x )+ bsin (log x) where a ,b are parameters ,then ...

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