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-kx 2ky -2ky (a) show that f(x,y) = (Ae** + Be***) (Ce + Dezky) Is a solution of the wave equation 227 -- 4
-kx 2ky -2ky (a) show that f(x,y) = (Ae** + Be***) (Ce + Dezky) Is a solution of the wave equation 227 -- 4 2x = (b) If z= f(xy), where x = rcose y=rsine and f is contineous second partial derivative Show that 222 222 az + + 2 arz ar
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
10th edition
470458364, 470458365, 978-0470458365
