Question

4. Rationalise the denominators of the following:


✓7/✓5+1
​

Answer 1

it will be $\sqrt{} 5$-1

as $\sqrt{} 5+1*\sqrt{}5-1=5-1=4$

so now denominatior is rationalised

Answer 2

Step-by-step explanation:

4 is the correct answer

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