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(d)/(dx){(x +(1)/(x) )^(3)}=...

`(d)/(dx){(x +(1)/(x) )^(3)}=`

A

`3x ^(2) + 3 - (3)/(x ^(2)) - (3)/(x ^(4)) `

B

`3x ^(2) -3 + (3)/(x ^(2)) - (3)/(x ^(4)) `

C

`3x ^(2) + 3 +(3 )/(x ^(2)) + (3)/(x ^(4)) `

D

`3x ^(2) + 3 - (3)/(x ^(2)) +(3)/(x ^(4)) `

Text Solution

Verified by Experts

The correct Answer is:
A
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