Math, asked by Tamann, 1 year ago

simplify root 2/ root 5+2 - 2/root 10 - 2 root 2

Answers

Answered by mysticd
3

Answer:

[2√5-4-√10-2√2]

Explanation:

2/(√5+2) - 2/(√10-2√2)

= 2/(√5+2) - {2/[√2(√5-2)]}

= 2/(√5+2) - √2/(√5-2)

= [2(√5-2)-√2(√5+2)]/[(√5-2)(√5+2)]

= [2√5-4-√10-2√2]/[(√5)²-2²]

= [2√5-4-√10-2√2]/(5-4)

=[2√5-4-√10-2√2]

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Tamann: thank you
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