What should be added to the binomial 169 + 4x2 to get a perfect square – InterviewSolution

1.	What should be added to the binomial 169 + 4x2 to get a perfect squarerinomial?(Select two correct alternatives)
Answer» 4x^2+169To get perfect square, 52x must be added4x^2+52x+169(2x)^2+(13)^2+2(2x)(13)(2x+13)^2

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