it's under sum of square and qube roots
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Answer:
32/9
Step-by-step explanation:
5+√7/5-√7 + 5-√7/5+√7
= (5+√7)(5+√7) + (5-√7)(5-√7) / (5-√7)(5+√7)
= (5+√7)^2 + (5-√7)^2/ (5)^2 - (√7)^2
(a+b)^2 = a^2 + 2ab + b^2
(a-b)^2 = a^2 - 2ab + b^2
= 25 + 10√7 + 7 + 25 - 10√7 + 7 / 25 - 7
= 50 + 14 / 18
= 64 / 18
= 32 / 9
I hope this will help you.....
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