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)

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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

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Find the focus and the directrix of the parabola.y = - x2 - x - 

A. (-5-3); y = -5
B. (-50); y = 2
C. (-52); y = 0
D. ; y = 

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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