x=[1/(1-2.257)][ln (0.236/0.0783)+ 2.257ln((1-0.236)/(1-0.0783))]
25 times 3526
=[1/(1-2.257)][ln (0.236/0.0783)+ 2.257ln((1-0.236)/(1-0.0783))]
x= [1/(1-2.257)][ln (0.236/0.0783)+ αln((1-0.236)/(1-0.0783))]
(5n+4)/2=12
(5n+4)/2
5n+4/2=12
10÷2+8
10÷2(5+5)
10/2(5+5)
