If the 4th term in the expansion of is independent of x , then n is equal to
5
6
9
None of these
If n is even , then the middle term in the expansion of is 924 x6 , then n is equal to
10
12
14
If the coefficient of 7th and 13th term in the expansion of (1 + x ) n are equal , then n is equal to.
15
18
20
The number of terms in the expansion (a + b + c)n will be
n + 1
n + 3
The value of (0.99)15 is
0.8432
0.8601
0.8502
Tenth term of the expansion (2x - y)71 is
-220 x2 y9
220 x2 y9
220 x2 y10
-220 x3 y9
In the expansion of , the term containing x4 is
70 x4
60 x4
56 x4
If the ratio of the coefficient of third and fourth term in the expansion of (x - 1/2x )n is 1 : 2 , then the value of n will be
16
-10
6th term in expansion of is
In the expansion of , the coefficient of x-10 will be
12 a11
12 b11
12 a11 b
12 a11 b11
