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Rationalize

(1)/(2 √(7) + 3 √(3) )

User Tritop
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1 Answer

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(1)/(2 √(7) + 3 √(3) )


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


=(2 √(7) - 3 √(3))/((2√(7))^2 - (3√(3))^2)


=(2 √(7) - 3 √(3))/(28 - 27)


=(2 √(7) - 3 √(3))/(1)


=2 √(7) - 3 √(3)

User AndriusZ
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