If the 4th term in the expansion of is independent of x , then n is equal to
5
6
9
None of these
is equal to
100
120
-120
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 sum of the coefficient in the expansion of (1+x - 3x2)2163 will be
0
1
-1
22163
The value of (0.99)15 is
0.8432
0.8601
0.8502
If n is odd then c02 - c12 + c22 - c32 + ............. + (-1)ncn2 is equal to
∞
n! / (n/2)2!
If in the expansion of (1 + x )n , the coefficient of rth and (r + 2)th term be equal , then r is equal to
2n
n/2
The value of (1.002)12 upto fourth place of decimal is
1.0242
1.0245
1.0004
1.0254
In the expansion of , the term containing x4 is
70 x4
60 x4
56 x4
