Perform the indicated arithmetic operations for complex numbers z = −4 + 5i and w = −1 − 2i.
a. z + w
b. z − w
c. z + 2w
d. z − z
e. explain how you ad and subtract complex numbers.

(a) 3i-5

(b) 3+7i

(c) -6+i

(d) 0

Step-by-step explanation:

We have given two complex numbers z = -4 + 5 i  and w = -1 - 2 i

We have to perform following operation

(a)

(b)

(c)

(d)

(e) There is no other method for doing addition and subtraction of complex number it is similar as like real number

b.my answer is b.

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