Find the fourth term in the expansion of `(1-2x)^(3//2)""dot`

Find the 4^th term in the expansion of (x-2y)^12 .

If x=1//3, find the greatest tem in the expansion of (1+4x)^8dot

Find the middle terms in the expansion of (2x + y)^(7)

Find the expansion of (2x+3)^(5) .

Find the constant term in the expansion of (x-1//x)^6dot

Find the middle term in the expansion of (3 - 1/(2x))^(10)

Find the constant term in the expansion of (sqrt(x) -2/x^(2))^(20)

If (r+1)t h term is the first negative term in the expansion of (1+x)^(7//2), then find the value of rdot