The coefficient of `x^2 y^5 z^3` in the expansion of `(2x + y + 3z)^10` is

The coefficient of x^2y^4z^2 in the expansion of (2x - 3y + 4z)^9 is

Find the coffiecient of x^2 y^3 z^4 w in the expansion of (x-y-z+w)^(10)

Find the coffiecient of x^2 y^3 z^4 w in the expansion of (x-y-z+w)^(10)

The coefficient of x^(2)y^(4)z^(2) in the expansion of (2x-3y+4z)^(9) is

(i) Find the coefficient of x^(3)y^(4)z^(2)t^(5) in the expansion of (x-y+z-t)^(14) . (ii) Find the coefficient of x^(10)y^(12)z^(8) in the expansion of (xy+yz+zx)^(15)

Find the number of terms in the expansion of (x - 2y + 3z)^10

Find the number of terms in the expansion of (x - 2y + 3z)^10

The coefficient of x^2y^3z^4 in (2x + y - z)^9 is

Coefficient of x^3y^5z^1 in (2x-3y+4z)^9 is