Find all specified roots.Cube roots of 1.

A. 1, -  + i, -  - i
B. -1, 1
C. 1,  + i, -  + i
D. 1,  - i, -  - i


Answer: A

Mathematics

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Find the quadratic approximation of f at x = 0.f(x) = tan-1 10x

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Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.

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Solve the inequality, and graph the solution set.p2 - 13p + 42 > 0

A. (-?, 6) ? (7, ?)

B. (-?, 6)

C. (6, 7)

D. (7, ?)

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Simplify the power of i.i30

A. -i B. -1 C. 1 D. i

Mathematics