Find the interval of convergence of the series.
A. 7 < x < 9
B. x < 12
C. 4 < x < 12
D. -12 < x < 12
Answer: C
Mathematics
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Solve the problem.Calculate the volume of the parallelepiped with edges a = 
, b = 
, and c = 
.
A. 15 B. 21 C. 69 D. 25
Mathematics
In the circuit below, Vin = 7 V, R = 250 ê, xC = 1000 ê at fr, and C = 90 pF. Find fr and Q.
a. fr = 3.1 MHz, Q = 10
b. fr = 1.8 MHz, Q = 4
c. fr = 1.8 MHz, Q = 1.8
d. fr = 1.2 MHz, Q = 6
e. fr = 1.0 MHz, Q = 4
Mathematics
Solve the equation.3(8 - 2x) = 9
A. 8
B. 
C. -3
D. 3
Mathematics
Find the value of the radical expression.-
A. -8 B. 16 C. 4 D. -4
Mathematics