For some constants c and d, find the derivative of (x-c)(x-d).

For some constants a and b, find the derivative of (x-a)(x-b)

For some constants a and b, find the derivative of (x-a)/(x-b)

For some constants a and b, find the derivative of (ax^2+b)^2

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): (ax+b)/(cx+d)

Find the transpose of {:[(a,b),(c,d)]

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): (x + secx) (x-tan x)

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): (cos x)/(1+sin x)