If you made ghusul that resulted from sexual intercourse, ejaculation
or from being pure from menses or postnatal bleeding, then this is sufficient and you don’t need to perform a separate wudhu.

Kindly refer to the following link(s):

https://www.youtube.com/watch?v=fm4Ru0IFoHQ

If i bathed just before prayer.. is it necessary to once again doing wudu… Isnt enough bathing instead of wudu