C-10-Q053: In the expansion of $(1-3x)^5$, the coefficient of $x^3$ is —

C-10-Q053: In the expansion of $(1-3x)^5$, the coefficient of $x^3$ is — | প্রশ্ন করি

- 90

-90

In the expansion of (1−3x)5(1-3x)^5(1−3x)5, the coefficient of x3x^3x3 is —