√7 - √5 upon √7 + √5
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Answered by
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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√35/ 7-5
=12-2√35/2
= 6- √35
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