If x=2√5 then find the value of x²-2/x
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Answer: If x = 2√5
Then,
x² - 2/x
(2√5)² - 2/2√5
(2² X 5) - 2/2√5
(4 X 5) - 2/2√5
20 - 2/2√5
20 - 1/√5
Here's your answer
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