Binomial Theorem — Medium JEE math MCQ
The coefficient of $x^3$ in the expansion of $(1+x)^{10}$ is:
- A. $120$
- B. $45$
- C. $210$
- D. $252$
Solution
Coefficient of $x^3$ = $^{10}C_3 = \frac{10!}{3!7!} = \frac{10 \times 9 \times 8}{6} = 120$
MATH
medium • PYQ Reworded
Question
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The coefficient of in the expansion of is:
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