### Limits with Cube Roots (Is it Multiplication by Conjugate?)

05 August 2024 / Krystian Karczyński
When given a limit to calculate that involves some subtraction with a root (and which obviously couldn't be calculated more simply), such as: "Something - square root of something", "square root of something - Something", or "square root of something - square root of something", we used a trick I call - "multiplication by the conjugate."
We simply multiplied this expression by its counterpart with a plus sign, or rather by a fraction where this counterpart was in the numerator and the denominator.
What to do when the roots are cube roots?

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