Question

can anyone can teach me rationalization of denominator?plzz...

Answer 1

Answer:

Some radicals are irrational numbers because they cannot be represented as a ratio of two integers. As a result, the point of rationalizing a denominator is to change the expression so that the denominator becomes a rational number.

Rationalize the Denominator

Multiply Both Top and Bottom by a Root. Sometimes we can just multiply both top and bottom by a root: ...

Multiply Both Top and Bottom by the Conjugate. There is another special way to move a square root from the bottom of a fraction to the top ... we multiply both top and bottom by the conjugate of the denominator.

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