Solve using Cramer's Rule.

A. (-3, 2)
B. (-2, -3)
C. (3, 2)
D. (2, 3)


Answer: D

Mathematics

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Calculate the flux of the field F across the closed plane curve C.F = (x+y)i + xyj; the curve C is the closed counterclockwise path around the rectangle with vertices at    and 

A. 120 B. 75 C. 85 D. 175

Mathematics

Find the transform of the given function of s.F  = 

A. f  = e5t 
B. f  = e-5t 
C. f  = e5t 
D. f  = e-5t 

Mathematics

RT = 42 ê and R2 = 84 ê. Find R1.



a. 42 ê
b. 63 ê
c. 84 ê
d. 105 ê
e. 126 ê

Mathematics

Use the quotient rule to find the derivative.y = 

A. y' = 
B. y' = 
C. y' = 
D. y' = 

Mathematics