Mathematics, 10.04.2020 18:51 Natasha019

If 2a+ 2/a =4, what is the value of 2a^2 − ( 2/a^2 )?
If 2a+ 2/a =4, what is the value of 2a^2 + ( 2/a^2 )?

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If 2a+ 2/a =4, what is the value of 2a^2 − ( 2/a^2 )?
If 2a+ 2/a =4, what is the value of 2a^2...