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

A. ln  -  tan-1  -  + C
B. ln  -  tan-1  + C
C. ln  -  + C
D. -  tan-1  -  + C


Answer: A

Mathematics

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A. 45.5 B. 49.4 C. 46.2 D. 45.1

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22, 22, 58, 76, 69, 22

A. 44.83 B. 49.4 C. 53.8 D. 41.17

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Graph the solution set of the system of inequalities.y > -2x ? -3

A.

B.

C.

D.

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Simplify.(x4)9

A. x13 B. x36 C. 9x36 D. 9x4

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