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Rationalize the denominator 1/7-3√2
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4 votes
Rationalize the denominator 1/7-3√2

User Brandon Culley
by
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1 Answer

1 vote

Answer:


(7 + 3√(2))/(31)

Explanation:


(1)/(7 - 3√(2)) =


= (1)/(7 - 3√(2)) * (7 + 3√(2))/(7 + 3√(2))


= (7 + 3√(2))/(49 - 9(√(2))^2)


= (7 + 3√(2))/(31)

User Richard Kennard
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