AP and TS EAMCET Engineering Model Paper 14

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Question : 50 of 159

Marks: +1, -0

For |x|<1, the coefficient of xr in the expansion of

(1+x)2

(1−x)3

is

2r2+2r+3
r2+2r+2
2r2+2r+1
2r2+r+2

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