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If (3x^(4)+5x^(2)+2)/((x^(2)+1)^(2)(x^(2...

If `(3x^(4)+5x^(2)+2)/((x^(2)+1)^(2)(x^(2)+2))=(Ax+B)/(x^(2)+2)+(Cx+D)/(x^(2)+1)+(Ex+F)/((x^(2)+1)^(2))` then A +2B+D+4E=

A

5

B

0

C

1

D

7

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The correct Answer is:
D
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