Find the indicated power using De Moivre's Theorem. (Express your fully simplified answer in the form a + bi. ) (1 − i )2 I need a lot of help on this because its not working for...

## Mohammed from Massapequa, NY's Resources

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Find the focus, directrix, and focal diameter of the parabola. 2xsqaured +13y = 0

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Find the vertices, foci and eccentricity of the ellipse. 9x2 + y2 = 81 I would like to see the steps and the answer to better understand it

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Write the complex number in polar form with argument θ between 0 and 2π. 9 radical 3 − 9i

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Write the complex number in polar form with argument θ between 0 and 2π. 7radical 3 − 7i

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Find the indicated power using De Moivre's Theorem. (Express your fully simplified answer in the form a + bi. ) (1 − i )2

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Z1 = 2 +2i , z2 =radical 3 -I I don't know how to do the radical symbol that's why I wrote it out.

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write your answer in standard polar form with argument in radians. Please help z1=4i z2= -6+6i

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12) 3i. 3i is the problem i am trying to answer please help me not sure how to do it. It's pre calcus.