Find the coefficient of `1/y^2 ` in `(y+ c^3/y^2)^10`

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

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

For the algebraic expression 2y^2-xy^2+7xy-x-y+22 find the numerical coefficient of all terms which are not a constant. Also, find the coefficient of y^2 and the coefficient of x for terms involving y^2 and x respectively.

Sum of the coefficients of (1+ x/3 + (2y)/(3))^12

The coefficient of y in the expansion of (y^(2) + c//y)^(5) is

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

Write the coefficient of: (i) y in -3y (ii) a in 2a b

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

Divide 15 y^4+16 y^3+(10)/3y-9y^2-6\ \ b y\ \ \ 3y-2. Write down the coefficients of the terms in the quotient.