13. If y (x, t) is a function of x and t, prove that i) L. =py (x, p) – y (x, 0) 2. ii) L =p°y (x, p) – py (x, 0) – y, (x, 0) (ây =dy and iv) L{ where L{y(x, t)} =j (x, p). dx

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