Simplify the complex fraction.
a. 
b. 
c. 
d. 
e. 
b.
Mathematics
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = ?/6 to x = ?/2. The cross sections perpendicular to the x-axis are circular disks with diameters running from the curve 
to the curve 
A. (
- 1) ? + 
B. 
- 
C. 
- 
D. (2
- 2) ? - 
Mathematics
Reverse the order of integration and then evaluate the integral.
A. cos 2 - 1
B. 
(1 - cos 2)
C. 
(1 - cos 2)
D. 5(1 - cos 2)
Mathematics
Find the limit.
9 cos 
A. 1 B. - 9 C. 9 D. 0
Mathematics
Referring to the circuit below, express IT in rectangular form if IL = 20 mA and IR = 8 mA.
a. 8 + j20 mA
b. 8 + j8 mA
c. 20 + j8 mA
d. 28 + j20 mA
e. 28 + j8 mA
Mathematics