Question

how to rationalise the denominator ​

Answer 1

Step-by-step explanation:

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

Answer 2

Answer:

by multiplying denominator in both numerator and denominator