The sum of all rational terms in the expansion of is equal to
- (A)633
- (B)3133✓ Correct
- (C)931
- (D)6131
Answer: (B)
Solution
General term of :
Both exponents are integers only when and , i.e. and .
Sum of rational terms . Option B.
Both exponents are integers only when and , i.e. and .
- : .
- : .
Sum of rational terms . Option B.
JEE Main · 2024 · 04 Apr 2024 · Shift 1 · Single correct option