Answer:
Since 4 - 2i is a zero, 4 + 2i is also a zero.
Step-by-step explanation:
x = 2, x = 4 - 2i, x = 4 + 2i
x - 2 = 0, x - 4 + 2i = 0, x - 4 - 2i = 0
P(x) = (x - 2)(x - 4 + 2i)(x - 4 - 2i)
P(x) = (x - 2)(x2 - 8x + 20)
P(x) = x3- 10x2 + 36x - 40
the answer is 30
you do :
90+60=150
180-150=30
In 4 Hours
1 hour: A: 30.25 B: 34.25
2 hours: A: 35.5 B: 38.5
3 Hours: A: 40.75 B: 42.75
4 Hours: A: 46 B: 46
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