If a,b,c are positive real numbers, then the number of positive real roots of the equation `ax^(2)+bx+c=0` is

If a,b,c are positive real numbers,then the number of real roots of the equation ax^(2)+b|x|+c is

If a,b,c are positive real numbers, then the number of real roots of the equation ax^2+b|x|+c is

If a,b,c are positive real numbers.then the number of real roots of the equation ax^(2)+b|x|+c=0 is

If a, b, c are positive real numbers, then the number of real roots of the equation a x^(2)+b|x|+c=0 is

If a,b and c are distinct positive real numbers in A.P, then the roots of the equation ax^(2)+2bx+c=0 are

If a,b,c are positive real numbers, then the roots of the equation ax^(2) + bx + c =0

If a,b,c are three distinct positive real numbers,the number of real and distinct roots of ax^(2)+2b|x|-c=0 is 0 b.4 c.2 d.none of these