Math Chapter Wise Vector, Gradient And Curl English MCQ Rajasthan TGT 2015 Q.If ˆ ˆ ˆ F (x y 1)i j (x y)k = + + + − + = + + + − + = + + + − + = + + + − + then AF 0 ∇× = B. F 0 ∇ = C. F (F) 0 ∇× = DF 0 = Show answer Correct answer: . F (F) 0 ∇× =