Let the sum of the coefficients of the first three terms in the expansion of (x- 3 x^2 )^n, x 0. n N, be 376....

Question

Let the sum of the coefficients of the first three terms in the expansion of (x- 3 x^2 )^n, x 0. n N, be 376. Then the coefficient of x^4 is _________

Accepted Answer

405

JEE Main 2023 Mathematics question

Solution