The number of terms in the expansion `(x^2+ 1/x^2+2)^100` is (A) 3200 (B) ^102C_2` (C) 201 (D) none of these

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

The number of terms in te expansion of (1+5x+10x^2+10x^3+x^5)^20 is (A) 100 (B) 101 (C) 120 (D) none of these

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

The number of terms in the expansion of (x+1/x+1)^n is (A) 2n (B) 2n+1 (C) 2n-1 (D) none of these

The number of terms ins (x^3+ 1+ 1/x^3)^100 is (A) 300 (B) 200 (C) 100 (D) 201

the term independent of x in the expansion of (sqrt(x/3)+sqrt(2/92^2))^10 is (A) 0 (B) ^10C_1 (C) 5/12 (D) none of these

If a (A) x=0 (B) x=1 (C) x=2 (D) None of these.

The sum of the coefficients in the expansion of (2+5x^2-7x^3)^2000= (A) 0 (B) 1 (C) 2 (D) none of these