Question: Solve the quadratic equation x2 - 1 = 0 . How many solutions do you expect to find? How many real solutions are there? Now,

Solve the quadratic equation x2 - 1 = 0 . How many solutions do you expect to find? How many real solutions are there? Now, solve the quadratic equation x2 + 1 = 0 . How many solutions do you expect to find? How many real solutions are there? Defn: The imaginary unit is i, and it represents V=I

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