Is (3+route7) (3-route7) a rational or irrational
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Answer:
it rational because the answer is (3)²-(route7)²=9-7=2
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Answer:
(3+route7)(3-route7)
=3+route7 ×3-route7
=3route7×-3route7 (:route7×route7=7)
= 9–7
=2 is the answer because 2 is the irrational number.
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