I The roots of a(b-c)x^2+b(c-a)x+c(a-b)=...

I The roots of `a(b-c)x^2+b(c-a)x+c(a-b)=0` are real and equal, then `a,b,c` are in G.P. II: The number of solutions of `|x^2-2x+2|=3x-2` is `4.`

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