write the number of real roots of the equation (x-1)2+(x-2)2+(x)2
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= 2x - 2+ 2x-4+2x
= 6x - 6 =0
x = 6/6 = 1
x = 1 Ans.
= 6x - 6 =0
x = 6/6 = 1
x = 1 Ans.
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