The following data were given in a study of a group of 1000 subscribers to a certain magazine:
1 answer:
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Answer:
87 adults
174 children
70 students
Step-by-step explanation:
<u>z²-2i=0</u>
Answer:
Solution given:
z⁴=-4
doing square root on both side
we know i²=-1
substituting i² we get
z²=
z²=2i
z²-2i=0 is a required answer. where
z² and 2 is real number.