simplify √7-√5/√7+√5
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ANSWER:
✓7-✓5/ ✓7+✓5
✓7-✓5/ ✓7+✓5 X ✓7-✓5/ ✓7-✓5
(✓7-✓5)(✓7-✓5)/ (✓7)(✓7)-(✓5)(✓5)
7-2✓35+5/ 7-5
12-2✓35/ 2
2(6-✓35)/ 2
6-✓35
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