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    Calculus A Complete Course
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    Exam 11: Vectors and Coordinate Geometry in 3-Space
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    Find the Values of a Constant C Such That the Vector
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Find the Values of a Constant C Such That the Vector

Question 107

Question 107

Multiple Choice

Find the values of a constant c such that the vector n = cj + k is normal to a family of parallel planes that intersect the elliptic cylinder x2 + 4y2 = 4 in circles.


A) c = ± Find the values of a constant c such that the vector n = cj + k is normal to a family of parallel planes that intersect the elliptic cylinder x<sup>2</sup> + 4y<sup>2</sup> = 4 in circles. A)  c = ±   B)  c = ±   C)  c = ± 2 D)  c = ± 1 E)  c = 0
B) c = ± Find the values of a constant c such that the vector n = cj + k is normal to a family of parallel planes that intersect the elliptic cylinder x<sup>2</sup> + 4y<sup>2</sup> = 4 in circles. A)  c = ±   B)  c = ±   C)  c = ± 2 D)  c = ± 1 E)  c = 0
C) c = ± 2
D) c = ± 1
E) c = 0

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