(a)x2+2logx=(y+1)2+6(y+1)+4log(y+1)+c(b)x22−logx=(y−1)22+3(y−1)+2log(y−1)+c(c)x22+logx=(y+1)22+3(y−1)+2log(y+1)+c(d)x22+logx=(y−1)22+3(y−1)+2log(y−1)+c