if the equation ax^3 - 9x^2 + 12x - 5 = 0 has two equal real roots then the 'a' equals

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Jayant Kishore · Answer

As it has repeated real roots this means for y=ax 3 – 9x 2 +12x -5 dy/dx must be zero at that point . dy/dx =3ax 2 -18x+12=0 for dy/dx to have real root D>=0 => a

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if the equation ax^3 - 9x^2 + 12x - 5 = 0 has two equal real roots then the 'a' equals

if the equation ax^3 - 9x^2 + 12x - 5 = 0 has two equal real roots then the 'a' equals

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if the equation ax^3 - 9x^2 + 12x - 5 = 0 has two equal real roots then the 'a' equals

if the equation ax^3 - 9x^2 + 12x - 5 = 0 has two equal real roots then the 'a' equals

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Other Related Questions on Algebra

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