Question

X = { x] x = x² + 4 = 0, and x€N} set X is​

Answer 1

Answer:

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Step-by-step explanation:

#x=+-2i " "# Explanation: #x^2+4=0 " "# subtract 4 on both sides to get #x^2 = -4 " "# Take the square root of both sides to get #x=+-2i " "#