Q. The number of terms in the expansion of $({a + b + c)}^{10}$ is
A) 11
B) 21
C) 55
D) 66
Explanation
(d)
The number of terms in the expansion of $(a + b + c)^{10}$
$= \ ^{12}C_{2} = \frac{11 \bullet 12}{2} = 66$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.