Pulmonary function test (PFT) results

A quick proof of the logarithmic equivalence of the inverse hyperbolic sine function. A nice exercises that brings together inverse functions, laws of indices, quadratic equations, properties of the exponential function, and more! #math #calculus #engineering

f (x) = 5 cos x-cos 5x #sound #remake #maths #edit #soundofmath | Math

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Fun Division Steps with a Crazy Family | Easy Math Tutorial

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Project of production function and returns to a factor #class11 #microeconomics #economics #project