Find all of the indicated roots. Write all answers in standard form. Round approximate constants to the nearest thousandth. the four fourth roots of -256 Step 1 Write -256 in trigonometric form. Z = 256 ci I Then by De Moivre's Theorem, the fourth roots of -256 are given by the following. 1/4 Wk = 256- I + 360° cis for k = 0, 1, 2, 3 %3D 4

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Roots

The main dissimilarity between real and complex roots is that the real roots are obtained as real numbers, in contrast with the complex roots, which are indicated as imaginary numbers. The standard format for depicting any complex number is in the form of a + bi.