Find all complex numbers z such that z^4 = -4.
1 answer:
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Answer:
D
Step-by-step explanation:
Answer:
x=-52
1/3x-2/3=-18
multiply both sides by 3
x-2=-54
x=-54+2
x=-52
7.158 * 10^9 rounds to 7 * 10^9
7 * 10^9 = 7,000,000,000
