Question

Rationalise the denominator

1/√5−2√6​

Answer 1

Answer:

$= \frac{1}{ \sqrt{5} } = \frac{1}{2.50} \\ = \frac{2}{ \sqrt{6} } = \frac{2}{3} \\ = \frac{1}{2.50} - \frac{2}{3} = \frac{1}{3.50} = answer$

Step-by-step explanation:

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Answer 2

Answer:

(6(sqrt5)-10(sqrt6))/30

Step-by-step explanation:

To rationalise any denominator we just have to multiply the denominator to numerator and denominator.

so; 1/(sqrt5)-2/(sqrt6) = 1/(sqrt5)*(sqrt5)/(sqrt5)-2/(sqrt6)*(sqrt6)/(sqrt6)

(sqrt5)/5-2(sqrt6)/6

(6(sqrt5)-10(sqrt6))/30