ReIm notation

Let z = 6 + 5i and w = 3 - i.

Compute the following and express your answer in a + bi form.
w + 3z

Final Answer:

a =  21
b =  14

Step-by-step explanation:

z = 6 + 5i w = 3  i  x = w+3z x = (3i)+3(6+5i) x = 3i+3 6+3 5i x = 3i+18+15i x = 21+14i x = a+bi  a=21
b=14



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