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TS EAMCET 5-Aug-2021 Shift 2 Question Paper

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Question : 17

Total: 160

Sum of the coefficients of xr (r=0,1,2,3......15) in the expansion of (3x−1)15 is equal t the sum of the binomial coefficients of which of the following expansions ?
(a) (1+x)15 (b) (1+x)16+(1−x)16 (c) (1+x)16−(1−x)16

(a), (b) and (c)
(a) and (c) only
(b) and (c) only
(a) and (b) only

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