The quadratic equation x^2 + mx + n = 0 has roots that are twice those of x^2 + px + m = 0 and none of m, n, and p is zero. What is the value of n/p?

Answer 1

x^2+mx +n has roots twice x^2+px+m what is m/p

-m/2+.5sqr(m^2-4n)= -p+.sqr(p^2-4m)

p/m =sqr(p^2-4m)/m- sqr(m^2-4n)/2m +1/2