2. Find g € R[x]<2 so that R[x]≤2. ſ₁² f(x)g(x)dx = S² ƒ(x) cos(πx)dx for all ƒ €

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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2. Find g € R[x]<2 so that f¹ f(x)g(x)dx = ſ¹ ƒ(x) cos(™x)dx for all ƒ €
R[x] ≤2.
3. Suppose that T = L(V) is self adjoint. Let v € V, λ = F and ɛ > 0 be
so that ||v|| = 1 and ||Tv − Xv|| < ɛ. Show that there is an eigenvalue \' with
|λ\ − \'| < ɛ.
Transcribed Image Text:2. Find g € R[x]<2 so that f¹ f(x)g(x)dx = ſ¹ ƒ(x) cos(™x)dx for all ƒ € R[x] ≤2. 3. Suppose that T = L(V) is self adjoint. Let v € V, λ = F and ɛ > 0 be so that ||v|| = 1 and ||Tv − Xv|| < ɛ. Show that there is an eigenvalue \' with |λ\ − \'| < ɛ.
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