Let f(z) be an analytic function, which is represented by f(z)=u(x,y)+iv(x,y) where z=x+iy . If u(x,y)=24x(55−y)−37 and v(x,y)=Ax2+By2+Cx+Dy+E and v(0,0)=61, then a) What is the value of E? b) What is the value of A−B? c) What is the value of C−D+E?

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