# Consider the function, prove that it's bilinear, symmetric, and positive definite

(Image 1)

For whichever polynomials p(x), q(x) ∈ P≤2. Consider the following polynomials:

p0(x) = 1, p1(x) = x, p2(x) = (3/2 )x² − 1/2 .

(a) Prove that F is bilinear, symmetric, and positive definite

(b) Prove that the family (p0, p1, p2) is an orthogonal basis of P≤2.

Vienrods

28

## Answer

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Alessandro Iraci

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The answer is accepted.

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