# Can someone please help with this math question:)

kimmy6973    3   14.02.2022 03:20    10

Answers
dakotagorski05  14.02.2022 03:20

Solution:

The rationalisation factor for is

So, let us apply it here.

The rationalising factor for 5 - √2 is 5 + √2.

Therefore, multiplying and dividing by 5 + √2, we have

Hope you could understand.

If you have any query, feel free to ask.

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bankskry  14.02.2022 03:20

Step-by-step explanation:

To rationalise the denominator, multiply the numerator and denominator by the conjugate of the denominator.

the conjugate of 5 - is 5 + , then

= ← expand denominator using aFOIL

=

=

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