a. Write in polar form: 5 + 12i b. Write in Cartesian form: 7 cis 234 c. Multiply: (2

Chapter 13, Problem R4

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a. Write in polar form: 5 + 12i b. Write in Cartesian form: 7 cis 234 c. Multiply: (2 cis 52)(5 cis 38) d. Divide: (51 cis 198) (17 cis 228) e. Raise to the power: (2 cis 27) 5 f. Raise to the power: (8 cis 120) 1/3 g. Sketch the three answers to part f on the complex plane. h. Express this sum in Cartesian form. 10 cis 43 + 7 cis 130 5 cis 215 i. Write the answer to part a as a complex number in polar form.

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