Question

2 upon root 5 rationalize ​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

2√5/ 5

Step-by-step explanation:

Rationalizing the denominator

= a÷√a = a√a÷a

2 × √5 = 2√5 { √a × √a = a }

√5 × √5 5