Year: 2024

Postać trygonometryczna liczby zespolonej – różne kąty, to samo rozwiązanie

Trigonometric form of a complex number – different angles, same solution?

Trigonometric functions (used in the trigonometric form of a complex...

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Skąd mam wiedzieć, co podstawić w całkach nieoznaczonych

How do I know what to substitute in indefinite integrals?

Learn how to effectively use the substitution method in solving...

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Największy problem z zadaniami na macierze

The Biggest Problem with Matrix Problems…

Learn effective methods to avoid computational errors while calculating the...

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pierwiastek z x pochodna

The Derivative of the Square Root of x – How to Derive the Formula

In this post, I show how to derive the formula...

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reg 1

Quick Regression in Excel – The Little-Known REGLINP Formula

One of the super important steps in the econometric modeling...

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