Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Binomial Theorem Binomial Expansion
What is the sum of all the coefficients in the expansion of (1 + x)n ?
1
2n
2
2n - 1
3
2n - 1
4
More than one of the above
5
None of the above