Problemt" $2(6$marks$)6$

$($a$)$ A fow feld is represented by the stream function $=x^2-y^2.$ Find the corresponding veld is irrotational and obtain the velocity potential function.

fold. Show that the flow field inviscid flow field is given by vec$(V)=A(xvec(i)-$yvec$(j)),$ where $A=1s-1$

$($b$)$ A steady incompressible and andes in meters. Evaluate the acceleration of a fluid particle passing and $x,y$ are the space

through point $(x,y)=(1,1).****$ part b only$*****$