If the sum of the two roots of the equation 1/(x + a) + 1/(x + b) = 1/k is zero then their Product is ___
(a) 1/2(a2 + b2)
(b) - 1/2(a2 + b2)
(c) ((a + b)/2)2
(d)
The correct option (b) - 1/2(a2 + b2)
Explanation:
