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Verified answer
Kayak gini kayaknya kalau gak salah1 / √ 5
=1 / √5 × √5 / √5
=√5 / √25
=√5 / 5
=1/5 √5
2.
2 / √7
=2 / √7 × √7 / √7
=2√7 / √49
=2√7 / 7
=2/7 √7
3.
-7 / √11
= - 7 √11 × √11 / √11
= -7√11 / √121
= -7√11 / 11
= -7/11 √11
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