(x^4+24 x^2+28)/((x^2+1)^3)=...

`(x^4+24 x^2+28)/((x^2+1)^3)=`

A

`(1)/((x^(2) + 1)) + (22)/((x^(2) +1)^(2))+ (5)/((x^(2) + 1)^(3))`

B

`(1)/((x^(2)+1)) + (22)/((x^(2)+1)^(2))- (5)/((x^(2)+1)^(2))`

C

`(1)/((x^(2)+1))- (22)/((x^(2)+1)^(2))- (5)/((x^(2)+1)^(3))`

D

None of these

Verified by Experts

The correct Answer is:

A

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