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About laskern
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- Member since: 2007
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On August 27, 2007 laskern Discussed
Math Wonder
- and said:
If we allow division by zero any number
number can be made equal to any other
number.
Since a=b => a^2 – ab or a-b is zero.
a=b
a^2 = ab
a^2 – b^2 = ab-b^2
(a+b)(a-b) = b(a-b)
(a+b) = b
a+a = a
2a = a
2 = 1
You cannot divide by a-b which is zero.
laskern has not GOODmarked anything yet.
If we allow division by zero any number
number can be made equal to any other
number.
Since a=b => a^2 – ab or a-b is zero.
a=b
a^2 = ab
a^2 – b^2 = ab-b^2
(a+b)(a-b) = b(a-b)
(a+b) = b
a+a = a
2a = a
2 = 1
You cannot divide by a-b which is zero.