In the expansion of `(a+b+c)^10` (A) total number of terms in 66 (B) coefficient of `a^8 bc is 90` (C) coefficient of `a^4b^5c^3` is 0 (D) none of these

Coefficient of a^8b^6c^4 in (a+b+c)^18 is

Coefficient of a^8b^6c^4 in (a+b+c)^18 is

The number of terms in the expansion of (a+b+c+d)^5 is

In the expansion of [2-2x+ x^2]^9 (A) Number of distinct terms is 10 (C) Sum of coefficients is 1 (B) Number of distinct terms is 55 (D) Coefficient of x^4 is 97

Coefficient of a^3b^4c^5 in expansion of (bc+ca+ab)^6

The coefficient of a^3b^6c in the expansionof (2a-b+c)^10 is (A) 6720 (B) 840 (C) 10 (D) none of these

The coefficient of a^3b^6c in the expansionof (2a-b+c)^10 is (A) 6720 (B) 840 (C) 10 (D) none of these

The coefficient of a^(3)b^(2)c in the expansion of (1+a-b+c)^(9) is

coefficient of a^(3)b^(2)c in the expansion of (1+a-b+c)^(9)