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The value of x for which the sixth term ...

The value of x for which the sixth term in the expansion of
`[2^(log_(2)sqrt(9^(x-1)+7))+(1)/(2^(1/5log_(2)(3^(x-1)+1)))]^(7)` is 84 is

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The value of x for which the sixth term in the expansion of [2^(log)2sqrt(9^(x-1)+7)+1/(2^(1/5)(log)_2(3^((x-1)+1)))]^7 is 84 is a. 4 b. 1or2 c. 0or1 d. 3

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CENGAGE PUBLICATION-BINOMIAL THEOREM-All Questions
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