simply each of the following by rationalising the denominator:
√7-√5/√7+√5
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Answer:
(6-√35)
Step-by-step explanation:
√7-√5/√7+√5
= √7-√5/√7+√5 × √7-√5/√7-√5
= (√7-√5)²/ (√7)² - (√5)²
= 7+5-2√35/ 7-5
= 12-2√35/ 2
= 2(6-√35) / 2
= (6-√35) Ans.
I hope it helps you..
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Answer is 6-√35
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