# What are the roots solutions

**Question description**

How do I solve this problem?

H(x)=(x^2) 1 and K(x)=-(x^2) 4. If K(H)=0, what are the roots/solutions?

a. ±i√3

b. ±i

c. ±2

d. ±1

e. ±1, ±i√3

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