() (O (-- 1) The span in F of the vectors 2 is a plane. 2) If a, b is a basis of R2, there exists v€ R² such that both v, b and v, a are bases of R2. 3) The linear system I+z = 1 y +z = 1 I+y+2: = 2 has infinitely many solution.
() (O (-- 1) The span in F of the vectors 2 is a plane. 2) If a, b is a basis of R2, there exists v€ R² such that both v, b and v, a are bases of R2. 3) The linear system I+z = 1 y +z = 1 I+y+2: = 2 has infinitely many solution.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:O00
1) The span in F" of the vectors 2
6 is a plane.
2) If a, b is a basis of R², there exists v E R² such that both v, b and v, a are bases of
R?.
3) The linear system
I+z = 1
y +z = 1
x + y + 2z = 2
1
has infinitely many solution.
4) If the linear map T : C³ → C³ is diagonalizable and has 1,9 as its only eigenvalues
eigenvalues, then its characteristic and minimal polynomials are the same.
5) If SE L(V) is an isometry on the inner product space V, then S- I is always
invertible.
6) If N E L(V) is nilpotent then so is I+ N².
7) If the product AB of the matrices A € Matm,n(F) and B € Mat,,m(F) is non-
singular so is the product BA.
8)
(2 3 1
det 0 0 3
= 12.
\0 2 3)
9) Consider R? with its Euclidean inner product. There exists three non-zero vectors
in R², which are mutually orthogonal.
10) If A € Mat,, is diagonalizable it admits n linearly independent eigenvectors.
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