I'll teach you how to simplify 4/sqrt 5
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4/sqrt 5
Multiply by the conjugate:
4 sqrt 5/sqrt 5 sqrt 5
sqrt 5 * sqrt 5= 5
[tex]\frac{4 \sqrt{5} }{5}[/tex]
Your Answer Is [tex]\frac{4 \sqrt{5} }{5}[/tex]
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