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" If "b^(2)>=4ac" for the equation "ax^(...

" If "b^(2)>=4ac" for the equation "ax^(4)+bx^(2)+c=0," then all the roots of the equation will be real if "

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If b^(2)ge4ac for the equation ax^(4)+bx^(2)+c=0 then all the roots of the equation will be real if

If b^(2)ge4ac for the equation ax^(4)+bx^(2)+c=0 then all the roots of the equation will be real if

If b^(2)ge4ac for the equation ax^(4)+bx^(2)+c=0 then all the roots of the equation will be real if

If b^(2)ge4ac for the equation ax^(4)+bx^(2)+c=0 then all the roots of the equation will be real if

If b^(2)ge4ac for the equation ax^(4)+bx^(2)+c=0 then all the roots of the equation will be real if

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If in a quadratic equation ax^2 + bx + c = 0 (a le 0) b^2 = 4ac , then the roots of the equation will be real and _________.

If a b c are distinct positive real numbers such that b(a+c)=2ac and given equation is ax^(2)+2bx+c=0 then the roots of the equation are ?