GATE (TF) Textile 2007 Question Paper Solution | GATE/2007/TF/05

Question 05 (Textile Engineering & Fibre Science)

Given a vector $u(x,y,z)=xy\;i+(z+x)\;j+y\;k$ , the points where the $\triangledown \times u$ vanishes lie on the plane

(A)	$y=2$
(B)	$y=1$
(C)	$z=1$
(D)	$x=1$

[Show Answer]

Option D is correct.

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