Maths · Binomial theorem for a positive integral index
Sum of coefficients in the expeansion of ^{8} \) is
Sum of coefficients in the expeansion of \( (a+b+c)^{8} \) is
- A. 2154
- B. 6561
- C. 729
- D. 1944
Step-by-step solution
The sum of coefficients in the expansion of (a+b+c)^8 is obtained by substituting a=b=c=1, giving (1+1+1)^8 = 3^8 = 6561.