Note on product of functions derivative (f(x)g(x))'

Note on square impulse Fourier transform

Solving the integral ∫exp(-ax²)cos(µx)dx in (-∞, ∞)

Integration trigonometric substitution examples

Fourier transform of the Dirac delta function

Angular momentum and Euler equations

Derivative of definite integral

Note on the χ² (chi-squared) distribution

Note on the χ² (chi-squared) distribution

Chebyshev inequality

Integral of quadratic form example


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