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indefinite integrals
Having a problem working out please advise...
need to find the indefinite integral of ..
f(t) = 5cos(10t) + 12e^-3t,
I calculate the answer as ∫(1/2 sin⁡(10)t)+3e^4t+c, but my friend works it out as F(t) becomes simply sin(10t)/2 - 4e^-3t
isnt there meant to be a si in the answer..
many thanks elli
need to find the indefinite integral of ..
f(t) = 5cos(10t) + 12e^-3t,
I calculate the answer as ∫(1/2 sin⁡(10)t)+3e^4t+c, but my friend works it out as F(t) becomes simply sin(10t)/2 - 4e^-3t
isnt there meant to be a si in the answer..
many thanks elli
Your friend is correct.
.
.
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