Use L'Hpital's rule to find the limit.

A. 1
B.
C.
D. 0


Answer: B

Mathematics

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Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = - i + j + k, v = i + j + 2k

A. 2; - i + j - k
B. 8; i - j - k
C. 8; i - j + k
D. 2i + j - k

Mathematics

Find the first four nonzero terms in the Maclaurin series for the function.x sin(4x)

A. 4x2 + x4 + x6 + x8 + . . .
B. 4x - 8x3 + x5 - x7 + . . .
C. 4x2 - x4 + x6 - x8 + . . .
D. 4x - x4 + x6 - x8 + . . .

Mathematics

Use differentiation to determine whether the integral formula is correct.dx =  + C

A. No B. Yes

Mathematics

Solve the problem.For a circle of radius 4 feet, find the arc length s subtended by a central angle of 30°. Round to the nearest hundredth.

A. 6.28 ft B. 376.99 ft C. 2.09 ft D. 4.19 ft

Mathematics