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How many and of which kind of roots does the equation f(x) = x³ + 2x² + 4x + 8 have?

How many and of which kind of roots does the equation f(x) = x³ + 2x² + 4x + 8 have-example-1
User Dschatz
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SOLUTION

The given equation is:


f\mleft(x\mright)=x^{\left\{3\right\}}+2x^{\left\{2\right\}}+4x+8

The graph shows the solution

Therefore the function has 1 real roots and 2 complex roots

How many and of which kind of roots does the equation f(x) = x³ + 2x² + 4x + 8 have-example-1
User Alceu Costa
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