Q-2: In the expansion of (1 + x)n the coefficient of pth and (p+1)th terms are respectively p and q. Then p + q =.
A. n + 3
B. n + 2
C. n + 1
D. n
Answer:C
Q-2: In the expansion of (1 + x)n the coefficient of pth and (p+1)th terms are respectively p and q. Then p + q =.
A. n + 3 B. n + 2 C. n + 1 D. n