Question 1 Which of the following are subspaces of R° ? Choose all correct answers. {(x, y, z) E R³ | x + 2y + z = 0} {(xy, yz, xz) E R³ | x, y, z E R} 3 {(x+ y, y, 6x – y) ER' | x, y E R}

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Question 1
Which of the following are subspaces of R° ? Choose all correct answers.
{(x, y, z) E R³ | x + 2y + z = 0}
{(xy, yz, xz) E R³ | x, y, z E R}
3
{(x+ y,y, 6x – y) ER' | x, y E R}
{(x²,x,x – y) E R' | x, y E R}
{<x, y, z) E R³ | x + 5y –z = 1}
{(x, 1,2x + y) E R | x, y e R}
Transcribed Image Text:Question 1 Which of the following are subspaces of R° ? Choose all correct answers. {(x, y, z) E R³ | x + 2y + z = 0} {(xy, yz, xz) E R³ | x, y, z E R} 3 {(x+ y,y, 6x – y) ER' | x, y E R} {(x²,x,x – y) E R' | x, y E R} {<x, y, z) E R³ | x + 5y –z = 1} {(x, 1,2x + y) E R | x, y e R}
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