For a certain two-dimensional incompressible flow, velocity field is given by 2xy^i−y2^j. The streamlines for this flow are given by the family of curves
A
x2y2= constant
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B
xy2 = constant
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C
2xy−y2
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D
xy = constant
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Solution
The correct option is Bxy2 = constant →V=2xy^i−y2^j
where u = 2xy and v=−y2
Equation of stream line,