Rationalize the denominator and simplify.
A. 
B. 13
C. 
D. 4
Answer: C
Mathematics
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Find the indicated root of the given equation by using Newton's method.3x - sin x = 1 (only root)
A. 0.4745682 B. 0.4902955 C. 0.5124897 D. 0.4903152
Mathematics
Find the flux of the vector field F across the surface S in the indicated direction.F = 5xi + 5yj + z3k; S is portion of the cylinder x2 + y2 = 4 between z = 0 and z = 4; direction is outward
A. -160? B. 80 C. 160? D. 160
Mathematics
Find the focus and the directrix of the parabola.y = - 
x2 - 
x - 
A. (-5, -3); y = -5
B. (-5, 0); y = 2
C. (-5, 2); y = 0
D. 
; y = 
Mathematics
Multiply the complex numbers and simplify powers of i.(9 - 3i)(2 + 4i)
A. 30 - 30i B. -12i2 + 30i + 18 C. 6 - 42i D. 30 + 30i
Mathematics