(a) Prove that (a2 r2)= (ar)/2a for a > 0 and r > 0. (b)
Chapter 12, Problem 8(choose chapter or problem)
(a) Prove that (a2 r2)= (ar)/2a for a > 0 and r > 0. (b) Deduce that the three-dimensional Riemann function for the wave equation for t > 0 is S(x,t)= 1 2c (c2t2 |x|2).
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