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√(2x-1)^2 với x≥½


Answer :

Answer:

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Step-by-step explanation:

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swer please check if it is correct or bo

Answer:

Step-by-step explanation:

√(2x-1)^2   with  x ≥ 1/2

With x = 1/2

we have √(2(1/2)-1)^2

= √(1-1)^2

= 0.

So √(2x-1)^2 ≥ 0.