Question

rationalise the denominator 5/√7



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Answer 1

Answer:

$\frac{5 \sqrt{7} }{7}$

Step-by-step explanation:

$\frac{5}{ \sqrt{7} } = \frac{5 \times \sqrt{7} }{ \sqrt{7} \times \sqrt{7} } = \frac{5 \sqrt{7} }{7}$

Answer 2

Answer:

$\frac{5\sqrt{7}}{7}$

Step-by-step explanation:

$\frac{5}{\sqrt{7} }\\ \\multiply \frac{\sqrt{7}}{\sqrt{7}} \\ \\\frac{5}{\sqrt{7}} * \frac{\sqrt{7}}{\sqrt{7}}\\\\=\frac{5\sqrt{7}}{7}$