The sum of the coefficient in the expansion of (1+x - 3x2)2163 will be
0
1
-1
22163
In the expansion of , the term containing x4 is
70 x4
60 x4
56 x4
None of these
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
18
16
12
-10
Tenth term of the expansion (2x - y)71 is
-220 x2 y9
220 x2 y9
220 x2 y10
-220 x3 y9
If the 4th term in the expansion of is independent of x , then n is equal to
5
6
9
6th term in expansion of is
If nN ,Then 23n-1 is divisible by
2
3
7
nc0 - 1/2 nc1 + 1/3 nc2 - ........ + (-1)n is equal to
n
1/n
1/(n + 1)
1/n - 1
In the expansion of , the coefficient of x-10 will be
12 a11
12 b11
12 a11 b
12 a11 b11
The number of terms in the expansion of (1 + 6x + 9x2)23 is
24
46
47
48
