Find the Coefficient a of the Term in the Expansion $\begin{array}{lr}\text { Binominal }&\text { Terms }\\(x+7)^{12} & a x^{5}\end{array}$

question 315

Multiple Choice

Find the coefficient a of the term in the expansion of the binomial. $\begin{array}{lr}\text { Binominal }&\text { Terms }\\(x+7) ^{12} & a x^{5}\end{array}$

• A)-407,653,785
• B)-652,246,056
• C)760,953,732
• D)181,179,460
• E)652,246,056

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