If the constant term in the expansion of is , then is equal to ____
Answer: 54
Solution
In the general term is .
Multiply by and collect the constant term (): from take , and from take .
: .
: .
, so
Multiply by and collect the constant term (): from take , and from take .
: .
: .
, so
JEE Main · 2024 · 05 Apr 2024 · Shift 1 · Integer answer