.Solve the differential equation out radiation, subject to the following conditions: du (i) u is not infinite for t→∞, (ii) dr (ii) u = lx-x² for t = 0, between x = 0 and x = 1. du at q² dªu dx² = 0 for x = 0 and x = 1, for the conduction of heat along a rod with-

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