(7+√5/7-√5) - (7-√5/7+√5)
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Step-by-step explanation:
Que :- (7+√5/7 -√5) - (7-√5/7+√5)
Solution :- (7+2.5/7 -2.5) - (7-2.5/7+2.5)
= (7 +25/10×7 - 25/10) - (7-25/10×7 + 25/10)..
= (7+25/70 - 25/10) - (7- 25/70 + 25/10)
= 7+(25-175/70) - 7- (25+175/70)
= 7+(-150/70) - (7-200/70)
= (490-150/70) - (490-200/70)
= 340/70 - 290/70
= 340-290/70
= 50/70
= ✔️5/7 ✔️:- ans :-
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