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

If `(x^(4)+24x^(2)+28)/((x^(2)+1)^(3))=A/((x^(2)+1))+B/((x^(2)+1)^(2))+C/((x^(2)+1)^(3))`, then A + C =

A

12

B

10

C

9

D

6

Text Solution

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The correct Answer is:
D
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