JEE Main 2026 Mathematics question
The coefficient of x² in the expansion of , x≠0, is:
Answer: (B)
Solution
General term gives exponent 20−3r=2 at r=6: C(10,6)2⁴=3360.
The coefficient of x² in the expansion of , x≠0, is:
General term gives exponent 20−3r=2 at r=6: C(10,6)2⁴=3360.