D'r example: integrate -nr solution. sincer is not known in terms of t dr scalar multiplication on both sides by2 dt dr dr dt dt dr =-2nfr dt now integrating bo

d'r Example: Integrate -nr Solution. Sincer is not known in terms of t dr Scalar multiplication on both sides by2 dt dr dr dt dt dr =-2nfr dt Now integrating both sides wrt t, dr dPr 2 dt- -n (2r. dr dt dt dt Using the earlier results. We have 2 dr =-n( +C dt where c is a scalar constant.

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