Question: 8. (a) Prove this statement by contradiction: a2+b is irrational for all integers a and b where a=0. (b) In a sentence or two, indicate

 8. (a) Prove this statement by contradiction: a2+b is irrational for

8. (a) Prove this statement by contradiction: a2+b is irrational for all integers a and b where a=0. (b) In a sentence or two, indicate why your proof from part (a) fails if we allow a=0

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