Please Answer Q 7.

6. What are the land lem of the pairs of interes? (a) 3.59.79 and 211.3.3 (b) 11. 13. 17 and 2.3*.56 - 7 7. I'rove cach of the following statements using a direct proof. State the assumption and the conclusion before writing the proof. (a) The sum of the squares of any two consecutive integers is odd. (b) If is an integer, then 4 -1. Ich fandy are rational meth 3 + y le a rational number