AP EAMCET Engineering 2018 Apr 23 Shift 2 Paper

Section: Mathematics

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Question : 19 of 160

Marks: +1, -0

If

x4+24x2+28

(x2+1)3

=

A

x2+1

+

B

(x2+1)2

+

C

(x2−1)2

then A+C=

12
10
9
6

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