Binomial Theorem And Its Simple Applications Question 195
Question: Middle term in the expansion of $ {{(1+3x+3x^{2}+x^{3})}^{6}} $ is
[MP PET 1997]
Options:
A) $ 4^{th} $
B) $ 3^{rd} $
C) $ 10^{th} $
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
- $ {{(1+3x+3x^{2}+x^{3})}^{6}}={{{{{(1+x)}^{3}}}}^{6}}={{(1+x)}^{18}} $
Hence the middle term is $ 10^{th} $ .