Evaluate the integral.
A. - 
ln
+ C
B. - 
ln
+ C
C. - 
ln
+ C
D. 
ln
+ C
Answer: C
Mathematics
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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 
.
A. 
(cos 45° + i sin 45°)
B. 2(cos 30° + i sin 30°)
C. 2(cos 45° + i sin 45°)
D. 
(cos 30° + i sin 30°)
Mathematics
Find all the factors for the number.45
A. 1, 3, 5, 15, 45 B. 1, 2, 3, 5, 9, 15, 30, 45 C. 1, 3, 5, 9, 15, 45 D. 1, 3, 5, 9, 15, 30, 45
Mathematics
Provide an appropriate response.If, for some particular angle ?, sin ? > 0 and cos ? < 0, in what quadrant must ? lie? What is the sign of tan ??
Fill in the blank(s) with the appropriate word(s).
Mathematics
Perform the row operation(s) on the given augmented matrix.R2 = -5r1 + r2 
A. 
B. 
C. 
D. 
Mathematics