if x+1/x=5 then x^2+1/x^2=
25
10
23
27
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Answered by
0
Answer:
Step-by-step explanation:
x+1/x=5
using identity, a^2+b^2=(a+b)^2-2ab
where, a=x, b=1/x
x^2+1/x^2=(x+1/x)^2-2*x*1/x
x^2+1/x^2 =5^2-2
x^2+1/x^2=25-2
x^2+1/x^2=23
Hope it helps......
Answered by
0
Answer:
23
Step-by-step explanation:
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