Question

10. Express the following in ( a + ib) form
(3+21
2-3i
(3-211
2+36)​

Answer 1

Answer:

Step-by-step explanation:3+212-3i(3-2112+36)

215-3i×3-2112×3i+36×3i

215-9i+6336i-1081i

215-1097i+6336i

215+5239i

Therefore 215+5239i can be express as(a+ib)