if x=√3-1 find x²+1/x²
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X = ✓3-1
(X)1+1/X² = (✓3-1)²+1/(✓3-1)²
3-1+1/3-1 = 2+1/2 = 4+1/2 = 5/2
(X)1+1/X² = (✓3-1)²+1/(✓3-1)²
3-1+1/3-1 = 2+1/2 = 4+1/2 = 5/2
Anonymous:
I think its wrong..
yes its wrong
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