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X^2 - 2x - 13 = 0 using the India method for solving quadratic equations
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x^2 -2x +1 =14 (x-1)^2=14
x-1 = = + or - sqrt(14)
x= 1 +sqrt(14) or 1 - sqrt(14)
x^2 - 2x - 13 = 0 x^2 - 2x =13 4x^2 - 8x = 52 4x^2- 8x + 4 = 56 (2x - 2)^2= 56 2x - 2 = √(56) or 2x - 2 = -√(56) x = (√(56)+2)/2 or x = (-(√56)+2)/2
what is the india method
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sounds made up
no....actually some Indian solved d quadratic equation by making complete square in ancient time....do google...u'll come to know.
even I did wrong...there is certain procedure for completing the square
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