What is the coefficient of the third term in the binomial expansion of

1.	What is the coefficient of the third term in the binomial expansion of (a + b)6? 1,15,20,90
Answer» <strong style="font-size: 15px; line-height: 20px !important;">What is the coefficient of the third term in the binomial expansion of (a + b)<sup>6</sup>?</strong><p><strong>Solution:</strong></p>

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