The sum of the rational terms in the binomial expansion of (2^ 12 + 3^ 15 )^ 10 is :

JEE Main 2013 Mathematics question

The sum of the rational terms in the binomial expansion of is :

Answer: (4)

is rational when 10 − r is even and r is a multiple

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-104139