Q. The total number of terms in the expansion of $(x + a)^{100} + (x - a)^{100}$after simplification will be
A) 202
B) 51
C) 50
D) None of these
Explanation
(b)
In $(x + a)^{100} + (x - a)^{100}\ n$ is even
$\therefore$ Total number of terms $= \frac{n}{2} + 1 = \frac{100}{2} + 1 = 51$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.