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

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

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

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

Find the coefficient of x^2 y^3 z^4 in the expansion of (ax -by +cz)^9 (b) a^2 b^3 c^4 d in the expansion of (a -b-c +d)^10

Find the coefficient of x^(2)y^(3)z^(4) in the expansion of (ax-by+cz)^(9)

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

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

Show that the plane ax + by + cz + d = 0 divides, the line segment joining the points (x_1, y_1, z_1) and (x_2, y_2, z_2) in the- ratio -(ax_1+by_1+cz_1+d)/(ax_2+by_2+cz_2+d) .