x+1/x=4 and x2+1/x2 = 10
Find the value of X-1/x
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Step-by-step explanation:
x+1/x=4
squaring on both sides
x2+1/x2+2(x*1/x) = 16
10+2(x*1/x) = 16
2(x*1/x) = 16-10
2(x*1/x) = 6
(x*1/x) = 3
(X-1/x) =0
squaring on both sides
x2+1/x2-2(x*1/x) =0
10-2(3)
10-6
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