Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Binomial Theorem Binomial Expansion
If the coefficient of rth, (r + 1)th and (r + 2)th terms in the expansion of (1 + x)14 are in A.P., then the value of r is:
1
5 or 8
2
5 or 9
3
4 or 9
4
More than one of the above
5
None of the above