Find zw or
as specified. Leave your answer in polar form.z = 10(cos 45° + i sin 45°)w = 5(cos 15° + i sin 15°)Find zw.
A. 50(cos 60° + i sin 60°)
B. 5(cos 60° + i sin 60°)
C. 5(cos 30° + i sin 30°)
D. 50(cos 30° + i sin 30°)
Answer: A
Mathematics
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A.
B.
C.
D.
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Provide an appropriate response.Multiply: 1 × 3
A. 3
B. 3
C. 4
D. 5
E. none of the above
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Determine the total turn for the closed curve. Assign a positive measure to counterclockwise turning.
A. -360° B. 720° C. 0° D. 360°
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Use logarithmic differentiation to find the derivative of y.y = (x3 + 1)3(x - 1)2x4
A. +
+
B. (x3 + 1)3(x - 1)2x4(3ln(x3 + 1) + 2ln(x - 1) + 4ln x)
C. (x3 + 1)3(x - 1)2x4
D. (x3 + 1)3(x - 1)2x4
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