Evaluate 1 -dx (ax + b)n J Hint 1: Start with ox, x < 1, and then manipulate it. X Hint 2: You may use the following formula without proof. For positive integers a and b, and n 2, 2n (-1)^2+1()**** () 2n - n=1 2n 3 2b(n 1) 1 -dx + (ax + b)n-1 / X 2b(n 1)(ax + b)n-1 + C.