Math, asked by kamineni, 1 year ago

For a quadratic equation to be positive , why is its discriminant -ve? I need proof.

Answers

Answered by pllllllllllll
1
see the vertex of parabola for a quadratic equation given as -D/4a
and if we take D<0 then we get the vertex above the x axis and the whole quadratic equation becomes positive

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