Question

if x+1/x=5 find x^2+1/x^2​

Answer 1

Answer:

23

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

x+1/x=5

squaring both sides

(x+1/x)²=(5)²

x²+1/x²+2=25

x²+1/x²=23