The sum of the coefficient in the expansion of (1+x - 3x2)2163 will be
0
1
-1
22163
6th term in expansion of is
None of these
nc0 - 1/2 nc1 + 1/3 nc2 - ........ + (-1)n is equal to
n
1/n
1/(n + 1)
1/n - 1
Cuberoot of 217 is
6.01
6.04
6.02
If n N ,Then 23n - 1 is divisible by
2
3
5
7
The number of terms in the expansion of (3 + 2√5)18 - (3 - 2√5)18 is
11 terms
10 terms
9 terms
8 terms
If the 4th term in the expansion of is independent of x , then n is equal to
6
9
The number of terms in the expansion of (1 + 6x + 9x2)23 is
24
46
47
48
If p and q be positive , then the coefficient of xp and xq in the expansion of ( 1 + x ) p+q will be
Equal
Equal in magnitude but opposite in sign
Reciprocal to each other
None of the above
Tenth term of the expansion (2x - y)71 is
-220 x2 y9
220 x2 y9
220 x2 y10
-220 x3 y9