find the rationalise factor of √7-√5
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Step-by-step explanation:
Hope this helps you : )
(7-3√5 ) × (7+3√5) = (7²-(3√5)²)
= 49- 45
= 4
therefore (7+3√5) is the rationalizing factor.
since by mutiplying with this we get a rational number.
sancharimouri:
sorry its wrong . I had misinterpreted the sum .
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3
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hope this is correct..
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Thank You Very much!!
it's k
This is totally wrong . The correct answer would be root7 + root5.
I just can't understand how did you do this sum .
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