Question: multiple plots in one single graph for AGM method

How to get amultiple line plots in one graph for differnt values of E1 := .1,0.2,0.3,and 0.4 with differnt color line red,blue,black and green and how to get numerical values for the all E1 value in one matrix form 

at E1=0.1 value of diff(g(x), x, x), diff(f(x), x, x),diff(f(x), x) and diff(g(x),  x).

AGM_method_single_line_plot.mw

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