a Write down the sixth roots of unity in exponential form b State the two real roots c The polynomial z 6 1 0 can be written as the product of two linear factors and two quadratic factors Show that one of the quadratic factors is z 2 z 1 and find the other one ...

a The sixth roots of unity in exponential form are z cis2k6 where ...

a. Write down the sixth roots of unity in exponential form. b. State the two real roots.

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a. Write down the sixth roots of unity in exponential form.

b. State the two real roots.

c. The polynomial z⁶ - 1 = 0 can be written as the product of two linear factors and two quadratic factors. Show that one of the quadratic factors is z² - z + 1 and find the other one.

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Cambridge International AS & A Level Further Mathematics Coursebook

ISBN: 9781108403375

1st Edition

Authors: Lee Mckelvey, Martin Crozier

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Question Posted: Oct 15, 2021 01:00 AM

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a. Write down the sixth roots of unity in exponential form. b. State the two real roots.

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Cambridge International AS & A Level Further Mathematics Coursebook

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