Question

please solve this question​

Answer 1

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Hope my answer helped you .

Answer 2

Answer:

47

Step-by-step explanation:

(root x +1/root x)^2=3^2

x+1/x+2*x*1/x=3^2=9

x+1/x+2=9

x+1/x=7

(x+1/x)^2=7^2

x^2 +1/x^2 +2*x*1/x=7^2=49

x^2 +1/x^2 +2=49

x^2 +1/x^2=49-2=47