Express the integrand as a sum of partial fractions and evaluate the integral.dx

A.  -  -  + C
B.  -  + C
C. 2 ln  -  -  + C
D. -  -  + C


Answer: D

Mathematics

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Find the vertex, focus, and directrix of the parabola. Graph the parabola.x2 - 12x - 12y + 108 = 0

A. vertex: (6, 6)
focus: (9, 6)
directrix: x = 3

B. vertex: (6, 6)
focus: (6, 9)
directrix: y = 3

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focus: (6, 3)
directrix: y = 9

D. vertex: (6, 6)
focus: (3, 6)
directrix: x = 9

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What will be an ideal response?

Mathematics

Find all the zeros of the polynomial function.P(x) = 3x3 - 20x2 + 51x - 26

A.
B. , 3 + 2i
C. 3 + 2i, 3 - 3i
D. , 3 + 2i, 3 - 3i

Mathematics