Temperature of a body varies with time a...

Temperature of a body varies with time as `T=(T_(0)+at^(2)+beta sin)K`, where `T_(0)` is the temperature in at t=0sec. `& alpha=2//piK//s^(2)&beta=-4K`. then rate of change of temperature `((dT)/(dt))` at t=

`8^(@)k`

8k/sec

`8^(@)K//sec`

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