show that 3x^2-4x+2 is always positive for all real values of X.
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yes it will give always +value if you put value of 1, 2 ,3,4,5,6,7,8,9..... so on
because 3x square is always great than 4x for all value except 1
and when you solve it for 1 then +2 will make whole value positive
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