y? = x sin (2x)
Solve the differential equation.
Mathematics
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Solve the problem.The current I in a circuit with voltage E, resistance R, capacitive reactance Xc and inductive reactance XL is I = 
Find I if E = 3
(cos 45° + i sin 45°), R = 4, XL = 4, and XC = 2.Give your answer in rectangular form.
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Mathematics
Find the directrices of the hyperbola.49x2 - 576y2 = 28,224
A. x = ± 
B. y = ± 
C. y = ± 
D. x = ± 
Mathematics
The following table contains information about moons orbiting a planet named Geo I. Use the table to solve the problem.
What is the average time of revolution of the moons?
A. 25.33 years B. 1.54 years C. 2.72 years D. 949.80 years
Mathematics
Evaluate.C(7, 0)
A. 1 B. 0 C. 5040 D. 7
Mathematics