Answer Happy

i found this question on answers but the answer was wrong. please
explain. thanks
For the offshore structure and loading shown below "d" is the pile centerline to centerline spacing, "b" is the distance of the line of action of force Fh from mudline. Assume the system response to be linear, determine, Part (a) The pile with maximum axial compressive force at the pile head and the magnitude of that axial compression force at the pile head Part (b) The pile with maximum axial tensile force at the pile head and the magnitude of that axial tension force at the pile head e Pile:P2 Plan View Force Force Fh Pile P1 Pile P3 Pile P4 Force Fh =2900 kips Force Fv = 2000 kips b= 150 ft d = 71 ft Force Fh b Force IFV d Mudline Pile Head Pile P1 Pile P2 & P4 Pile P3 Side View Figure NTS [Hint: For simplicity assume pinned boundary conditions at the mudline, and all the forces acting on the system are resisted completely by axial forces (tension or compression) in the piles. Assume overturning happens about axis 1-1]