Question 9. . „Let P be a point on a page, and suppose that r(t) is a curve that travels through P in a downward direction while curving to the right. Determine the direction of the unit normal N(t) to r at P. (a) Leftward. (b) Rightward. (c) Downward. (d) Upward. (e) Into the page. (f) Out of the page. (g) Cannot be determined from the given information.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Question 9. .
„Let P be a point on a page, and suppose that r(t) is a curve that travels
through P in a downward direction while curving to the right. Determine the direction of the
unit normal N(t) to r at P.
(a) Leftward.
(b) Rightward.
(c) Downward. (d) Upward.
(e) Into the page. (f) Out of the page. (g) Cannot be determined from the given information.
Transcribed Image Text:Question 9. . „Let P be a point on a page, and suppose that r(t) is a curve that travels through P in a downward direction while curving to the right. Determine the direction of the unit normal N(t) to r at P. (a) Leftward. (b) Rightward. (c) Downward. (d) Upward. (e) Into the page. (f) Out of the page. (g) Cannot be determined from the given information.
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