engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Binomial Theorem Summation of Combination Terms
If C0, C1, C2, _ _ _ _ _, Cn are the coefficients in the expansion of (1 + x)n, then what is the value of C1 + C2 + C3 + _ _ _ _ _ + Cn?
1
2n
2
2n - 1
3
2n - 1
4
2n - 2