1. Show that? $\int_0^\infty tf(t)dt = \int_0^\infty R(t)dt$ a. $\int_0^T R(t)dt = TR(T) + \int_0^T tf(t)dt$ b.
Added by Beverly G.
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Step 1: Rewrite the given equation ∫ Stf(t)dt = ∫ f(t)dt as ∫ Stf(t)dt - ∫ f(t)dt = 0. Show more…
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