18. Which of the following subsets S is a subspace of R²? (a) S= {(x1,x2)||#1| = |r2|} (b) S = {(x1,72)|r2 = #1 + 1} (c) S = {(r1,X2) | #2*1 = 0} (d) S%3D {(zn,zz) |피3D } %3D (e) None of the above

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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18. Which of the following subsets S is a subspace of R²?
(a) S= {(x1,x2)||#1| = |r2|}
(b) S = {(x1,72)|r2 = #1 + 1}
(c) S = {(r1,X2) | #2*1 = 0}
(d) S%3D {(zn,zz) |피3D }
%3D
(e) None of the above
Transcribed Image Text:18. Which of the following subsets S is a subspace of R²? (a) S= {(x1,x2)||#1| = |r2|} (b) S = {(x1,72)|r2 = #1 + 1} (c) S = {(r1,X2) | #2*1 = 0} (d) S%3D {(zn,zz) |피3D } %3D (e) None of the above
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