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What is the sum of the coefficients of all the terms in the expansion of `(45x-49)^(4)` ?A. `-256`B. `-100`C. 100D. 256 |
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Answer» Correct Answer - D Given expansion is `(45x-49)^(4).` To find the sum of the coefficients of all the terms in the expansion, we have to put x=1 in the expansion. Thus, required sum of coefficients `=(45-49)^(4)` `=(-4)^(4)=256` |
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