A fluid flow is represented by the velocity field = ax + ay&jcirc;, where a is a constant. The equation of stream line passing through a point (1, 2) is

A fluid flow is represented by the velocity field = ax + ay&jcirc;,

1.	A fluid flow is represented by the velocity field = ax + ay&jcirc;, where a is a constant. The equation of stream line passing through a point (1, 2) is
A.	x 2y = 0
B.	2x + y = 0
C.	2x y = 0
D.	x + 2y = 0
Answer» D. x + 2y = 0

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A fluid flow is represented by the velocity field = ax + ay&amp;jcirc;, where a is a constant. The equation of stream line passing through a point (1, 2) is

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A fluid flow is represented by the velocity field = ax + ay&jcirc;, where a is a constant. The equation of stream line passing through a point (1, 2) is