Assertion (A): If \(3\) and \(-4\) are roots of a quadratic equation then the equation is of the form \(x^2-x-12=0\).
 
Reason (R): If \(a\) and \(b\) are roots of a quadratic equation \(p(x)\) then \(p(x)\) is of the form \(x^2+(a+b)x-ab=0\)