🛠️ JEE➗ Maths

The ninth term in the expansion of \({\left\{ {{3^{{{\log }_3}\sqrt {{{25}^{x - 1}} + 7} }} + {3^{ - 1/8{{\log }_3}\left…

Q1

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: (x > 1)

a

\(2\)

b

\(1\)

c

\(4\)

d

None of these

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