Question

rationalize
(1) 7÷4√5​

Answer 1

Step-by-step explanation:

$\frac{7}{4 \sqrt{5} }$

$= \frac{7}{4 \sqrt{5} } \times \frac{ \sqrt{5} }{ \sqrt{5} }$

$= \frac{7 \sqrt{5} }{20}$

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