A two-dimensional incompressible frictionless flow field is given by = xi - yj. If is the density of the fluid, the expression for pressure gradient vector at any point in the flow field is given as

A two-dimensional incompressible frictionless flow field is given by

1.	A two-dimensional incompressible frictionless flow field is given by = xi - yj. If is the density of the fluid, the expression for pressure gradient vector at any point in the flow field is given as
A.	(xi - yj)
B.	(xi + yj)
C.	- (x i + y j)
D.	- (xi + yj)
Answer» E.

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A two-dimensional incompressible frictionless flow field is given by = xi - yj. If is the density of the fluid, the expression for pressure gradient vector at any point in the flow field is given as

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