Question

find the R.m.s value of function f(x) x² in (0,2)
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Answer 1

Answer:

Given real numbers a1, a2, …, an, the root mean square (often abbreviated to RMS) is obtained by calculating the arithmetic mean of the squares of a1, …, an, and then taking the square root of this:

a21+a22+⋯+a2nn⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯√