Question

Write the coefficient of $x^3$ in $\frac{\pi }{2}{x}^3+x$

Answer 1

Solution:-

$\frac{\pi }{2}{x}^3+x=(\frac{\pi }{2}\times x^3)+5$

$\therefore$ Coefficient of $x^3=\frac{\pi }{2}$

Hence, the correct answer is $\frac{\pi }{2}$.