Q3Short answer (reasoning)Exercise 1.1
+ 2 and 3 − 2 are two irrational numbers. ( 3 + 2 ) + (3 − 2 ) = 6 , a rational number. ( 3 + 2 ) × ( 3 − 2 ) = 7 , a rational number. So, we have two irrational numbers whose sum and product both are rationals.
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(D)