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Unformatted text preview: c. This has no solution, so L is Neither parallel nor perpendicular to this plane. Last comments on Homework 2 (I hope!): From our text we have the statement Problem 1.2.34, Section 1.2, pg. 26: Find the projection of ±v onto ±u where ±u = [1 ,-1] , ±v = [3 ,-1] . We recall (from your homework papers) that proj ±u ( ±v ) was a vector in the direction of ±u = [1 ,-1] . As a clariﬁcation, we note Example, NOT Problem 1.2.34: Find the projection of ± b = [1 ,-1] onto ±a = [3 ,-1] , for which we found proj ±a ( ± b ) = 4 10 ±a = 2 5 [3 ,-1] . For emphasis, this vector ±a = [3 ,-1] was NOT the text’s vector ±u (and WORSE, was the text’s vector ±v . . . )....
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- Spring '08