If n is odd then c02 - c12 + c22 - c32 + ............. + (-1)ncn2 is equal to
0
1
∞
n! / (n/2)2!
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
If the coefficient of 7th and 13th term in the expansion of (1 + x ) n are equal , then n is equal to
10
15
18
20
If n is even , then the middle term in the expansion of is 924 x6 , then n is equal to
12
14
None of these
The value of (0.99)15 is
0.8432
0.8601
0.8502
In the expansion of , the term containing x4 is
70 x4
60 x4
56 x4
The value of the expression x5 + 10 x4a + 40 x3 a2 + 80 x2a3 + 80 x a4 + 32 a5 is
(x + a)5
(3n + a)5
(x + 2a)5
(x + 2a)3
Cube root of 217 is
6.01
6.04
6.02
6th term in expansion of is
