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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

2. Complex Numbers

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Exercise 17 Page 182

Combine the real and imaginary parts of the given expressions.

12+6jamps

Practice makes perfect

To find the total current, we must add the two given complex numbers.

(5-3j)+(7+9j)

Remove parentheses

5-3j+7+9j

CommutativePropAdd

Commutative Property of Addition

(5+7)+(9j-3j)

Factor out j

(5+7)+(9-3)j

Add and subtract terms

12+6j

The total current in the circuit is 12+6jamps.

Subchapter links

Exercises p.182-184