Question

HEY GOOD EVENING. EVERYONE HELP ME WITH THIS PLZ

Answer 1

(9.8)^2=96.04
x+1/x=3
x^2 +1/x=3^2-2=9-2=7
x^4+1/x^4=7^2-2=49-2=47
(x-1/x)^2==x^2+1/x^2-2=7-2=5=√5





x+1/x=2
x^2+1/x^2=2^2-2=4-2=2
x^4+1/x^4=2^2-2=4-2=2

(x-1/x)^2=x^2+1/x^2 -2=2-2=0



x^2+1/x^2=47
(x+1/x)^2=x^2+1/x^2+2=47+2=49=7
(x-1/x)^2=x^2+1/x^2-2=47-2=45=√45

Answer 2

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