basicallysirius basicallysirius

16-01-2022
Mathematics

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Rationalise the denominator
Simplify your answer fully

Rationalise the denominator Simplify your answer fully class=

Respuesta :

bearic8 bearic8

16-01-2022

Answer:

3*sqrt7 - 3*sqrt3

Step-by-step explanation:

To rationalize, you will want to multiply by the conjugate

After that, the bottom will simplify to 7-3 which is 4 (because (a+b)(a-b) = a^2-b^2)

Simplify.

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