Assertion : If `a+b+c > 0, a < 0 < b < c`, then roots of the equation ` a ( x-b ) ( x-c )+b ( x-c ) ( x-a )+c ( x-a ) ( x-b )=0` are real.

Reason : Roots of the equation ` Ax^{2}+Bx+K=0 `are real if `B^{2}-4AK >0` .