3. Consider the set S {1x², -x + 2x2,1 + 2x - x²} in P2 (R). Attempting to find a linear dependence is equivalent to finding a non-trivial solution (a, b, c) to a system of linear equations = a(1-x²) + b(-x+ 2x²) + c(1 + 2x - x²) = =0⇒>> (0 0 0) 11 a+c=0 -b+2c=0 -a +2b-c=0 C:

Elementary Linear Algebra (MindTap Course List)
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ISBN:9781305658004
Author:Ron Larson
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Chapter1: Systems Of Linear Equations
Section1.1: Introduction To Systems Of Linear Equations
Problem 90E: Consider the system of linear equations in x and y. ax+by=ecx+dy=f Under what conditions will the...
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3. Consider the set S {1 − x², −x + 2x²,1 + 2x − x²} in P₂ (R). Attempting to find a linear
dependence is equivalent to finding a non-trivial solution (a, b, c) to a system of linear equations
=
a(1-x²)+b(-x+ 2x²) + c(1 + 2x - x²) = 0 ⇒
a+c=0
-b+2c=0
-a +2b-c=0
Since the only solution is trivial (a, b, c) = (0,0,0), the set S is linearly independent.
Transcribed Image Text:3. Consider the set S {1 − x², −x + 2x²,1 + 2x − x²} in P₂ (R). Attempting to find a linear dependence is equivalent to finding a non-trivial solution (a, b, c) to a system of linear equations = a(1-x²)+b(-x+ 2x²) + c(1 + 2x - x²) = 0 ⇒ a+c=0 -b+2c=0 -a +2b-c=0 Since the only solution is trivial (a, b, c) = (0,0,0), the set S is linearly independent.
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