Adding and Subtracting Complex Numbers

Adding and Subtracting Complex Numbers

Add like terms

Find the sum of the real components.

Find the sum of the imaginary components (the components with the i after them).

Adding Rule:

(m+ni) + (p+qi) = (m+p) + (n+q)i

Examples:

Adding and Subtracting Complex Numbers 1

Subtract like terms

Find the difference of the real components.

Find the difference of the imaginary components (the components with the i after them).

Subtracting Rule:

(m+ni) – (p+qi) = (m-p) + (n-q)i

Adding and Subtracting Complex Numbers 2