AP EAMCET Engineering 20 Apr 2019 Shift 1 Paper

Section: Mathematics

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Question : 19 of 160

Marks: +1, -0

If

3

(x−1)(x2+x+1)

=

1

x−1

−

x+2

x2+x+1

= f1 (x) - f2 (x) and

x+1

(x−1)2(x2+x+1)

= A f1 (x) + (B+

D

x−1

) f2 (x) +

C

(x−1)2

, then A + B + C + D =

1
−1
3
0
1/3

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