Find two unit vectors u such that Duf(1, 2) = 0. Here, f(x, y) = x¹²y³. NOTE: you must enter your FIRST answer as the vector whose x compo- nent is NEGATIVE and your second answer as the vector whose x component is positive! u= (0.12 ) and X 0.99 0.12 X -0.99

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter1: Vectors
Section1.3: Lines And Planes
Problem 33EQ
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This is a practice problem from my Multivariable Calculus course:

I was instructed to give my answer to two decimal places.

Please show if you come up with the same values that are being marked incorrect here.

Thank you.

Find two unit vectors u such that Duf(1, 2) = 0. Here, f(x, y) = x¹2y³.
NOTE: you must enter your FIRST answer as the vector whose x compo-
nent is NEGATIVE and your second answer as the vector whose x component
is positive!
u = ( -0.12
X
I
0.99
) and (
0.12
X -0.99
I
Transcribed Image Text:Find two unit vectors u such that Duf(1, 2) = 0. Here, f(x, y) = x¹2y³. NOTE: you must enter your FIRST answer as the vector whose x compo- nent is NEGATIVE and your second answer as the vector whose x component is positive! u = ( -0.12 X I 0.99 ) and ( 0.12 X -0.99 I
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