1.

A point P (1, 3, -5) is translated by 2î + 3ĵ - 4k̂ and then rotated counter clockwise by 90° about the z-axis. The new position of the given point is

A. (-6, 3, -9)
B. (-6, -3, -9)
C. (6, 3, -9)
D. (6, 3, 9)
Answer» B. (-6, -3, -9)


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