Binomial Theorem And Its Simple Applications Question 179
Question: The sum of coefficients in the expansion of $ {{(x+2y+3z)}^{8}} $ is
[RPET 2000]
Options:
A) $ 3^{8} $
B) $ 5^{8} $
C) $ 6^{8} $
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
- Sum of the coefficients is obtained by putting $ x=y=z=1, $
so sum of the coefficients $ ={{\text{(1 }+\text{ 2 }+\text{ 3)}}^{8}}={6^{8}} $ .
BETA
