JEE PYQ

[JEE Advanced 1997] The sum of the rational terms in the expansion of $(\sqrt2+3^{1/5})^{10}$ is ____

VAVidaara Admin Asked 1mo ago 3 views 1 answer

The sum of the rational terms in the expansion of $(\sqrt2+3^{1/5})^{10}$ is ____

1 Answer

VAVidaara Admin ✓ Vidaara Team ✓ Accepted · 1mo ago ▲ 0

Answer: $41$.

Rational terms need $\frac{10-k}2$ and $\frac k5$ integral, i.e. $k=0,10$: $2^5+3^2=32+9=41$.

JEE Advanced 1997 · Binomial Theorem — verified solution by the Vidaara Team.

Log in to post your own answer or join the discussion.

Discussion (0)

No comments yet — start the discussion.

← Back to all questions