Vector field the . consider f (ax+ y+ a)i+j-(x+ y)k, where a is a constant. iit jam 2013] if f.curlf = 0, then value of a is: (b) 0 (c)1 (d) (a)-1

vector field the . Consider F (ax+ y+ a)i+j-(x+ y)k, where a is a constant. IIT JAM 2013] If F.curlF = 0, then value of a is: (B) 0 (C)1 (D) (A)-1