If the coefficients of rth and (r+1)t h ...

If the coefficients of rth and `(r+1)t h` terms in the expansion of `(3+7x)^(29)` are equal, then `r` equals a. 15 b. 21 c. 14 d. none of these

A

15

B

21

C

14

D

None of these

Text Solution

Verified by Experts

The correct Answer is:

B

Promotional Banner

Promotional Banner

Recommended Questions

If the coefficients of rth and (r+1)t h terms in the expansion of (3+7...
Text Solution
|
If the coefficients of rth and (r+1) th terms in the expansion of (3+7...
Text Solution
|
If the rth term in the expansion of (1+x)^(20) has its coefficient equ...
Text Solution
|
If the coefficient of rth term and (r+1)^(th) term in the expansion of...
Text Solution
|
If the coefficient of rth and (r+1)th terms in the expansion of (3+7x)...
Text Solution
|
If the coefficients of r^(th) and ( r + 1 ) ^(th) terms in...
Text Solution
|
If the coefficients of the rth, (r+1)t h ,(r+2)t h terms is the expan...
Text Solution
|
If the coefficients of rth and (r+1)t h terms in the expansion of (3+7...
Text Solution
|
If the coefficients of rth, (r+1)t h ,a n d(r+2)t h terms in the expan...
Text Solution
|