Asked by Jose
is 2 times the square root of 7 minus the square root of five/ the square root of 7 plus the square root of five 2 2 times the square root of 14?
Answers
Answered by
Reiny
If you mean (2√7 - √5)/(√7 + √5) then no.
multiply top and bottom by √7-√5 , the conjugate to get
(14 -2√35 -√35 + 5)/(7-5)
= (19 - 3√35)/2
multiply top and bottom by √7-√5 , the conjugate to get
(14 -2√35 -√35 + 5)/(7-5)
= (19 - 3√35)/2
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