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Mathematics
Mathematics
Problem
An electrical current
I
I
I
(in Amperes) in a circuit varies with time
t
t
t
(in seconds) according to the equation
I
(
t
)
=
t
2
e
−
0.5
t
I(t) = t^{2} e^{-0.5t}
I
(
t
)
=
t
2
e
−
0.5
t
. Determine the time interval during which the current is increasing.
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