The ninth term in the expansion of\[{{\left\{ {{3}^{{{\log }_{3}}\sqrt{{{25}^{x-1}}+7}}}+{{3}^{-1/8\,\,{{\log }_{3}}\left( {{5}^{x-1}}+1 \right)}} \right\}}^{10}}\]is equal to 180, then x is

The ninth term in the expansion of\[{{\left\{ {{3}^{{{\log }_{3}}\sqrt

1.	The ninth term in the expansion of\[{{\left\{ {{3}^{{{\log }_{3}}\sqrt{{{25}^{x-1}}+7}}}+{{3}^{-1/8\,\,{{\log }_{3}}\left( {{5}^{x-1}}+1 \right)}} \right\}}^{10}}\]is equal to 180, then x is
A.	A prime number
B.	An irrational number
C.	Has non-zero fractional part
D.	None of these
Answer» C. Has non-zero fractional part

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The ninth term in the expansion of\[{{\left\{ {{3}^{{{\log }_{3}}\sqrt{{{25}^{x-1}}+7}}}+{{3}^{-1/8\,\,{{\log }_{3}}\left( {{5}^{x-1}}+1 \right)}} \right\}}^{10}}\]is equal to 180, then x is

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