Google Sheets split by " ," & add new rows [duplicate]

Question

This is an example:

I need to split by " , " in a new row and duplicate the others The desired output on a new sheet:

Answer 1

Here is how you can do it for one row

={transpose(split(rept(A2&",",counta(split(B2,","))),",")),transpose(split(B2,",")),transpose(split(C2,","))}