Zeros from a Minimum Condition

Problem

Suppose the function f(x)=(x2+a)exf(x)=(x^2+a)\mathrm e^x has a minimum value. Find the number of zeros of g(x)=x2+2x+ag(x)=x^2+2x+a.

Answer

Solution

Difficulty7/10
Topicsfunctions, calculus, Monotonicity, Discriminant

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