The number of terms in the expansion of `(1+x)^(101) (1+x^2-x)^(100)` in powers of x is

The number of terms in the expansion of (1+x)^(21)=

Number of terms in the expansion of (1-x)^(51) (1+x+x^(2) )^(50) is

The total number of terms in the expansion of (x+a)^(100)+(x-a)^(100) is:

The number of terms in the expansion of (1+2x+x^2)^n is :

The number of terms in the expansion of (1+2x +x^2)^20 is 40

If the number of terms in the expansion of (1+x)^(101)(1+x^(2)-x)^(100) is n, then the value of (n)/(25) is euqal to