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Question: How do i get a legend only three curves in maple

Question:How do i get a legend only three curves in maple

imparter 150 Maple 13
plot legend plotting
April 16 2018
0

Dear sir i want to display only three curves 1, curve 2 curve 3  in legends but in the plot it should be nine curve a sampe codes and a sample graph is attaching , please give suggestions. Here is my codes 

h:=z->1-(delta2/2)*(1 + cos(2*(Pi/L1)*(z - d1 - L1))):
K1:=(4/h(z)^4)-(sin(alpha)/F)-h(z)^2+Nb*h(z)^4:
lambda:=(F,Nb,delta2)->Int(K1,z=0..1):

L1:=0.2:
d1:=0.2:
alpha:=Pi/6:
A:=plot( [seq(seq(lambda(F,Nb,delta2), Nb=[0.1,0.2,0.3]), F=[0.1,0.2,0.5])], delta2=0.02..0.1, linestyle = [solid,longdash,dashdot],'thickness = 2',color=[red$3,blue$3,black$3]):

B:=plots:-textplot([[0.05,-1,F=0.1],[0.05,1.5,F=0.2], [0.05,3,F=0.5]], font=[times, 14]):

plots:-display(A, B);
 sample graphs 
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