1.What is the coefficient of x17x^{17}x17 in the expansion of (3x−x36)9(3x - \frac{x^3}{6})^9(3x−6x3)9?a.1898\frac{189}{8}8189b.5672\frac{567}{2}2567c.2116\frac{21}{16}1621d.None of theseLogin to continueOnly logged in users canattempt or see the solution.
