[Grammar] Is there any areas that I could have done better

[Ferdie11]

Hello,

Which one below is grammatically correct?

Is there any areas that I could have done better?
Are there any areas that I could have done better?

Thanks for your help in advance.

 

[bhaisahab]

Hello,

Which one below is grammatically correct?

Is there any areas that I could have done better?
Are there any areas that I could have done better?

Thanks for your help in advance.

Neither is correct.
"Are there any areas in which I could have done better? This is correct