jdawg
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Homework Statement
If v(t) = t - 4 and i(t) = 3t, find the instantaneous power p(t) as a function of time.
Homework Equations
The Attempt at a Solution
p(t) = ∫ v(t)*i(t) dt
p(t) = ∫ (t-4)*(3t) dt
Is it correct to do this? Or am I supposed to take the derivative of the functions v(t) and i(t) first and then multiply them and take the integral? Thanks!