Use the true values x1 = 7 and x2 = 8. (a) Demonstrate the correctness of the

Question:

Use the true values x1 = √7 and x2 = √8.
(a) Demonstrate the correctness of the error equation from Prob. 1–10 for addition if three correct digits are used for X1 and X2.
(b) Demonstrate the correctness of the error equation for addition using three-digit significant numbers for X1 and X2.