If r1=2,r2=5r_1=2, r_2=5r1=2,r2=5 are roots of a characteristic equation, what is the equation?
r2−3r+10=0r^2 - 3r + 10 = 0r2−3r+10=0
r2+7r+10=0r^2 + 7r + 10 = 0r2+7r+10=0
r2−7r−10=0r^2 - 7r - 10 = 0r2−7r−10=0
r2−7r+10=0r^2 - 7r + 10 = 0r2−7r+10=0