6th term in expansion of is
None of these
For all n ∈ N, n2 + n is a
Odd natural number
Even natural number
Can't be defined
The number of terms in the expansion (2x - 3y)5 is
5
6
10
30
nc0 - 1/2 nc1 + 1/3 nc2 - ........ + (-1)n is equal to
n
1/n
1/(n + 1)
1/n - 1
If n is odd then c02 - c12 + c22 - c32 + ............. + (-1)ncn2 is equal to
0
1
∞
n! / (n/2)2!
If the 4th term in the expansion of is independent of x , then n is equal to
9
Cubroot of 217 is
6.01
6.04
6.02
The number of terms in the expansion (a + b + c)n will be
n + 1
n + 3
is equal to.
100
120
-120
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
