Problem 11. Let F(R, R) be the vector space over R of all functions f: R R. Prove that if a, b R are distinct, then the functions f(x) = eax and g(x) = ebx are linearly independent.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Problem 11. Let F(R, R) be the vector space over R of all functions f: RR. Prove
that if a, b e R are distinct, then the functions f(x) eax and g(x) are linearly
independent.
= ebx
Problem. Consider R3 as a vector space over R.
(i) Give an example of a generating set for R³ that is not linearly independent.
(ii) Give an example of linearly independent subset of R³ that does not generate R³.
Transcribed Image Text:Problem 11. Let F(R, R) be the vector space over R of all functions f: RR. Prove that if a, b e R are distinct, then the functions f(x) eax and g(x) are linearly independent. = ebx Problem. Consider R3 as a vector space over R. (i) Give an example of a generating set for R³ that is not linearly independent. (ii) Give an example of linearly independent subset of R³ that does not generate R³.
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