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 x^3 in the expansion of (1-x+x^2)^5 is (a). -83 (b). 0 (c) .^(30)C_(10) (d). none of these

Find the coefficient of a^(2)b^(3)c^(4)d in the expansion of (a-b-c+d)^(10) .

Find the coefficient of a^(2)b^(3)c^(4)d in the expansion of (a-b-c+d)^(10) .

Find the coefficient of a^(2)b^(3)c^(4)d in the expansion of (a-b-c+d)^(10) .

The coefficient of a^8b^4c^9d^9 in (a b c+a b d+a c d +b c d)^(10) is

The coefficient of x^(4) in (x/2-3/x^(2))^(10) is (405)/(256) b.(504)/(259) c.(450)/(263) d.none of these

The coefficient of x^4 in (x//2-3//x^2)^10 is a. (405)/(256) b. (504)/(259) c. (450)/(263) d. none of these

The coefficient of x^4 in (x//2-3//x^2)^10 is (405)/(256) b. (504)/(259) c. (450)/(263) d. none of these

The coefficient of x^4 in (x//2-3//x^2)^10 is (405)/(256) b. (504)/(259) c. (450)/(263) d. none of these

" The coefficient of "a^(4)b^(3)c^(2)d" in "(a-b+c-d)^(10)" is "k" then "(k)/(100)=