If the coefficient of $ a^{7} b^{8} $ in the expansion of $ (a+2 b+4 a b)^{10} $ is $ K 2^{16} $, then $ K $ is equal to _________. [JEE Main 2021, 31 Aug (Shift 2)]

Question

YESPYQ · Accepted Answer

Options are free to see. Unlock the correct answer and full explanation with PYQ Pass.

If the coefficient of \( a^{7} b^{8} \) in the expansion of \( (a+2 b+4 a b)^{10} \) is \( K 2^{16} \), then \( K \) is …

Practice more JEE Maths PYQs