1. (Similar to Exercise 2.5 Question 12 on page 84) Use Mathematical Induction proof to , 1. Refer to the weekly prove expression:1 4 9 . . . Supplement for a mathematical induction proof example. 2. (Similar to Exercise A.2 Question 12 on page 586) Construct a truth table to show that expression p q q p is a tautologies. 3. (Similar to Exercise A.2 Question 22 on page 586) Construct a truth table to show that expression p q rand p r q r are logically equivalent