x^2 + 1/x^2 = 17/4 find the value of x
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Answer:
Step-by-step explanation:
(X+1/x)²=x²+1/x²+2
(x+1/x)²=25/4
(x+1/x)=5/2
x²+1=5/2 x
x²-5/2 x+1=0
X²-1/2 x-2x+1=0
x(x-1/2)-2(x-1/2)=0
(x-2)(x-1/2)=0
x=2,1/2
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