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What is the equation and area under curve for Covid load dynamics?
Covid virions on infection, replicate exponentially and once the body's defense system starts attacking it then it also seems to decrease exponentially.
Source
The time period when the PCR test is ...
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Find arc length of $ y=( e^{x/2} + e^{-x/2} ) $ over this interval $[-2,2]$
Question : Find arc length of $ y=( e^{x/2} + e^{-x/2} ) $ over this interval $[-2,2]$.
My Try : I found the derivative of $y$ and substituted it in the formula but after that I am stuck.
$$\int_{-2}^{...
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