Question

Please fast by rationalising denominators......
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Answer 1

hey buddy

here is your answer

Answer 2

Answer:

(10√2)/4√5

= (10√2/4√5)*(4√5/4√5)

= (10√2 * 4√5)/(4√5 * 4√5)

= (40√10)/(16*5)

= (40√10)/(80)

= (√10/2)

Step-by-step explanation:

hope it helps you