The coefficient of in the expansion of is equal to
Answer: 0
Solution
. Since :
Expand . Multiplying by , the general term is
A term in needs either or , i.e. or — neither is an integer.
So no term contains ; its coefficient is .
Expand . Multiplying by , the general term is
A term in needs either or , i.e. or — neither is an integer.
So no term contains ; its coefficient is .
JEE Main · 2024 · 27 Jan 2024 · Shift 2 · Integer answer