the roots of the following quadratic equations, if they exist, by the – InterviewSolution

1.	the roots of the following quadratic equations, if they exist, by the method ofcompleting the square:0 2r-7x +3 0()4x2 +4v3x+3 01.(ii) 2x2 +x4 0(iv) 2x2+x+4 0
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