Answers

2015-11-22T12:43:34+05:30
It is very very simple.......
add the line across '='
it means '≠'
∴9 ≠ 1


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2015-11-22T15:26:38+05:30
In this we can add a dingle line in = so that it becomes ≠ 
≠ means not equal to 
so, 9 ≠ 1
2 3 2
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