SubArea: Equations and inequalities with parametersLevel: BProject ID: 2010008403Source Problem: 9000034702Accepted: 0Clonable: 1Easy: 0Identify the set of the values of the real parameter d for which the following equation has two different real roots. x2−2dx+2d2−9=0(−3;3)(−∞;−3)∪(3;∞)(−∞;−3)(3;∞)
