Exam Maths Puzzle Number System

Find the additive inverse of each number

1. -4+6i

2. 9-5i

3. -2-6i

4. 1-8i

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Exam Other Question

Find the absolute value of each complex number

1. 6i

2. 9

3. -4 - 3i Simplify each expression

1.(7+i)- (3+4i)

2.(8-3i)(2+7i)

3.(-5-10i)+ (2-6i)

4.(3i+4)-(-2i-7)