Find the Coefficient $a$ Of the Term in the Expansion of the Binomial

question 81

Multiple Choice

Find the coefficient $a$ of the term in the expansion of the binomial.
$\begin{array}{ll}\text { Binomial } & \text { Term } \\(2 x-5 y) ^{7} & a x^{2} y^{5}\end{array}$

• A) \(a = 12\)
• B) \(a = - 262,500\)
• C) \(a = 14\)
• D) \(a = - 78,125\)
• E) \(\quad a = 2520\)

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