Find the coefficient of `x^6y^3` in `(x+y)^9`

Find the coefficient of x^(17) in (x+y)^20

Find the coefficient of x^6y^3 in the expansion of (x+2y)^9 .

Find the coefficient of x^6y^3 in the expansion of (x+2y)^9dot

Find the coefficient of x^(6).y^(3) in the expansion of (2x+y)^(9)

Find the coefficient of x^(2).y^(7) in the expansion of (x+2y)^(9)

Find the coefficient of x^(2).y^(7) in the expansion of (x+2y)^(9)

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

In the monomial 3x y ,\ the coefficient of y is 3x , the coefficient of x is 3y and the coefficient of x y is 3. Consider the term -8x y in the binomial -8x y+7. The coefficient of x in the term -8x y is -8y , the coefficient of y is -8x and the coefficient of x y is -8.

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

In the expression 3x^3-6x^2y+4xy-2x+y+6x+x^2y+9 , find for terms which are not constant the numerical coefficients and coefficient of y in terms involving Y.