Question

Find the sum of A and B: A=5+7i, B=7+4i

Answer 1

Answer:

add real numbers together and imaginary numbers together

A + B = 12 + 11i

Step-by-step explanation:

Answer 2

A + B = 5 + 7i + 7 + 4i

A + B = 12 + 11i

Done.