What is the coefficient of x9 in the expansion of (x+5)14? – McqOptions

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1.	What is the coefficient of x⁹ in the expansion of (x+5)¹⁴?
A.	5! * <sup>14</sup>C<sub>6</sub>
B.	<sup>14</sup>C<sub>5</sub>
C.	54 * <sup>14</sup>C<sub>5</sub>
D.	34 * <sup>11</sup>C<sub>5</sub>
Answer» D. 34 * <sup>11</sup>C<sub>5</sub>

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