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

The sum of the coefficients in the expansion of (1 +x-3x^(2))^(4321) is

The sum of the coefficients in the expansion of (1 - x + x^(2) - x^(3))^(n) ,is

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

The coefficient of x^5 in the expansion of (1+x^2)^5+(1+x)^4 is (A) 30 (B) 60(C) 40(D) none of these

Write the sum of the coefficients in the expansion of (1-3x+x^(2))^(111)

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 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 (x+1/x+1)^n is (A) 2n (B) 2n+1 (C) 2n-1 (D) none of these

The sum of the coefficients in the expansion of (x^(2)-1/3)^(199)(x^(3)+1/2)^(200) is ______