SOLUTION: Solve the equation in the complex number system.
x^4 + 3x^2 - 4 = 0
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Question 1208827: Solve the equation in the complex number system.
x^4 + 3x^2 - 4 = 0
Found 2 solutions by josgarithmetic, timofer:
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
First notice that the degree-four expression is factorable.
THIS should help:
Answer by timofer(104) (Show Source): You can put this solution on YOUR website!
or
or
or
x can be -1, or 1, or -2i, or 2i.
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