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Step-by-step explanation:
(x+1/x)²=x²+1/x²+2
(x+1/x)²=50/7+2
(x+1/x)²=50+14/7
(x+1/x)²=64/7
(x+1/x)=√64/7
(x+1/x)=8/√7
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Answer:
answer is 8/√7
Step-by-step explanation:
here it is given that x^2+1/x^2=50/7
so (x+1/x)^2=x^2+1/x^2+2×x×1/x
•(x+1/x)^2=x^2+1/x^2+2
• ". =50/7 +2
• ". =(50+14)/7
• ". =64/7
•x+1/x. =√64/√7
• x+1/x. =8/√7
please ignore the shortcuts( " )this one
if u dont understand this it means the same as written above..
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