Can somebody tell me what this means?

[sumrtym77]

(y')^2 is y' * y' or is it y"

 

[royhaas]

\(\displaystyle (y')^2 = y' * y'\). \(\displaystyle y'' = (y')'\)

 

[Deleted member 4993]

(y')^2 is y' * y' <<<<<<<<<<< Correct


or is it y"