Please show a step by step proccess to this question If you

Please show a step by step proccess to this question. If you post a picture, please use multiple pics so I can actually read the writting.

Solution

proof iam not sure (ye^xy+y+2x)dx+(xe^xy+x+1)dy=0 d(e^xy+xy+x^2+y)=0 e^xy+xy+x^2+y+c=0 e^0*1+0*1+0^2+1+c=0 c=-1 e^xy+xy+x^2+y-1=0