Find all cube roots of the complex number. Leave answers in trigonometric form.4 - 4i
A. 
cis 100°, 
cis 220°, 
cis 340°
B. 
cis 60°, 
cis 180°, 
cis 300°
C. 
cis 80°, 
cis 200°, 
cis 320°
D. 
cis 100°, 
cis 220°, 
cis 340°
Answer: D
Mathematics
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Write a chain rule formula for the following derivative.
for u = f(r, s, t); r = g(y), s = h(z), t = k(x, z)
A. 
= 
B. 
= 
C. 
= 
D. 
= 0
Mathematics
Multiply using Napier rods.50 × 175
A. 8700 B. 17,500 C. 8800 D. 8750
Mathematics
Find the product of the complex numbers. Leave answer in polar form.z1 = 5(cos 20° + i sin 20°)z2 = 4(cos 10° + i sin 10°)
A. 9(cos 30° + i sin 30°) B. 20(cos 200° + i sin 200°) C. 20(cos 30° + i sin 30°) D. 9(-cos 200° - i sin 200°)
Mathematics
Provide an appropriate response.Why does the horizontal line test (checking if a function is one-to-one) work?
What will be an ideal response?
Mathematics