Question

Please I need help I’m really struggling

Answer 1

Answer is option b

Explanation:

To rationalise the denominator we should multiply that expression by second option.

`answer \: is \: ( √(11) )/( √(11) )`

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Answer 2

Its B. This is the answer because you have to cancel out the square root in the denominator. So if you multiply the square root of 11 times itself then it would become the square root of 121, which equals 11 and completely cancels out.