If the sum of the roots of the equation ax2+bx+c=0 is equal to sum of the squares of their reciprocals, then bc2,ca2,ab2 are in
If the sum of the roots of the equation ax2 + bx + c = 0 is equal to the sum of the squares of their reciprocals, then ac,ba, cb are in :
If the sum of the roots of the equation ax2+bx+c=0 is equal to the sum of the squares of their reciprocals, then b2ac+bca2=