In each of the following, determine whether the given values are solutions of the given equation...
In each of the following, determine whether the given values are solutions of the given equation or not:
Di)
(i) \( x^{2}-3 x+2=0, x=2, x=-1 \)
(ii) \( x^{2}+x+1=0, x=0, x=1 \)
(iii) \( x^{2}-3 \sqrt{3} x+6=0, x=\sqrt{3}, x=-2 \sqrt{3} \)
(iv) \( x+\frac{1}{x}=\frac{13}{6}, x=\frac{5}{6}, x=\frac{4}{3} \)
(v) \( 2 x^{2}-x+9=x^{2}+4 x+3, x=2, x=3 \)
(vi) \( x^{2}-\sqrt{2} x-4=0, x=-\sqrt{2}, x=-2 \sqrt{2} \)
(vii) \( a^{2} x^{2}-3 a b x+2 b^{2}=0, x=a / b, x=b / a \)
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