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There lies the mistake.
As krassi_holmz rightly pointed out in the previous post,
If
[cached] 0.019073486328125 ms
then
[cached] 0.0061988830566406 ms
or
[cached] 0.0059604644775391 ms
It would not be right to say a=b.
When square root is being taken on both sides of an equation, the plus or minus/minus or plus sign has an important role to play, it cannot be overlooked.
When you had taken the square roots of the LHS and the RHS in steps 2, 3, you have taken only the positive values. Remember square root on 1 is not +1 alone, it is ±1.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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