AP EAMCET Engineering 25 Apr 2017 Shift 1 Paper

Section: Mathematics

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Question : 20 of 160

Marks: +1, -0

If

x2+5x+1

(x+1)(x+2)(x+3)

=

a

x+1

+

b

(x+1)(x+2)

+

c

(x+1)(x+2)(x+3)

then the inverse of the matrix [

a	b
c	1

] is

[
1 0
−5 1
]
[
−1 0
5 −1
]
[
1 0
5 1
]
[
1 0
1 5
]

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