Legendre's differential equation is given (1-x²)y" - 2xy + a(a + 1)y = 0, y = y(x), a ER, (1). too Looking for a solution of the form, y = y(x) = Σax" show that the recursive relation n=0 which satisfy the coefficients a are, n(n+1)-b an+2 = (n+2)(n+1) ·an, b = a(a + 1), n = 0,1,...
Legendre's differential equation is given (1-x²)y" - 2xy + a(a + 1)y = 0, y = y(x), a ER, (1). too Looking for a solution of the form, y = y(x) = Σax" show that the recursive relation n=0 which satisfy the coefficients a are, n(n+1)-b an+2 = (n+2)(n+1) ·an, b = a(a + 1), n = 0,1,...
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:EXERCISE 1B
Legendre's differential equation is given
(1-x²)y" - 2xy + a(a + 1)y = 0, y = y(x), a ≤R, (1).
too
Looking for a solution of the form, y = y(x) = Σax" show that the recursive relation
n=0
which satisfy the coefficients an are,
n(n+1)-b
・An
an+2 =
(n+2)(n+1)
b = a(a + 1), n = 0,1,...
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