JEE Advanced Mathematics question

MathematicsBinomial TheoremJEE Advanced

The number of rational terms in the expansion of is

Answer: (B)

Solution

The general term of the multinomial expansion is

Missing argument for \sqrt\sqrt, a+b+c=6,

which is rational iff is even and is a

See the full step-by-step solution

Create a free account to read the complete working (4 steps), and practise questions like this in a timed test.

Create a free account

Question ID VK-108306