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

Write the coefficient of y in the expansion of (5−y) ^2

Find the expansion of (x+y)^6

Find the expansion of (y+x)^n

The coefficient of x^2y^3 in the expansion of (1-x+y)^(20) is (20 !)/(213 !) b. -(20 !)/(213 !) c. (20 !)/(5!2!3!) d. none of these

The coefficient of x^8y^(10) in the expansion of (x+y)^(18) is a. \ ^(18)C_8 b. \ ^(18)P_(10) c. 2^(18) d. none of these

If the sum of the coefficient in the expansion of (alpha x^(2) - 2x + 1)^(35) is equal to the sum of the coefficient of the expansion of (x - alpha y)^(35) , then alpha =

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)

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

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