Question

Using the Rodrigue's formula of Legendre polynomials, obtain the values of P3(x) and P4(x).

18 Feb 2025
Answer :
Word Count : 350
Rodrigue's formula for Legendre polynomials is given by: \[ P_n(x) = \frac{1}{2^n n!} \frac{d^n}{dx^n} (x^2 - 1)^n \] Now, let’s compute \( P_3(x) \) and \( P_4(x) \). ### Step 1: Compute \( P_3(x) \) For \( n = 3 \), \[ P_3(x) = \frac{1}{2^3 3!} \frac{d^3}{dx^3} (x^2 - 1)^3 \] Expanding \( (x^2 - 1)^3 \): \[ _______ _____ _________ ___ __________ __________ _________ ______.
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