Question

1. (ax + b) find the derivative by first principle​

Answer 1

Answer:

f(x)=ax+b

f(x+h)=a(x+h)+b

df(x)/d(x)=  lim h --> 0 {[a(x+h)+b]-[ax+b]}/h

on solving,

df(x)/dx=a  

HOPE IT HELPS YOU..... :)