(a) What is the 2 × 2 matrix P that projects v = x y onto the x axis, i.e. takes x y to x 0 ? Is P invertible

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
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Chapter6: Vector Spaces
Section6.2: Linear Independence, Basis, And Dimension
Problem 3AEXP
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. (a) What is the 2 × 2 matrix P that projects v = x y onto the x axis, i.e. takes x y to x 0 ? Is P invertible? (b) Let ` be the line from problem 2(b). Find the 2 × 2 matrix that projects v = x y onto ` by using a composition method similar to problem 2(b).

 

Please solve both part , thank you

 

 

 

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