The conversation between human and AI assistant.
How can I solve this: X^4-2√2 X^2-X+2√2?
How about X=i?
When we substitute i for X, we get i^4-2√2 i^2 -i + 2√2, which simplifies to 1+2i^2-i+2√2. Since i^2 is equal to -1, this further simplifies to 1+2(-1)-i+2√2, which equals -1-i+2√2. This does equal the value of the equation when X=i.