Problem : What is the conjugate of 7 + 6i?

7 - 6i.

Problem : What is the conjugate of -2 - 4i?

-2 + 4i.

Problem : What is the conjugate of -3 + 5i?

-3 - 5i.

Problem : Evaluate .

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Problem : Evaluate .

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Problem : Evaluate .

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Problem : Evaluate .

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