Answers

2015-05-08T16:03:52+05:30
0.4040... Let x=0.404040...... ....(1) 100x=40.40404040..... ....(2) Subtracting (1) from (2) 100x=40.404040..... - X= 0.404040..... ---------------------------------------- 99x=40 X=40/99
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