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Published 2011
Take S/2 | $~~~~~$7/2 |
Square it | $~~~~~$49/4 |
Subtract the Product number | $~~~~~$49/4 - 48/4 |
Find the square root of the result | $~~~~~$1/2 |
This is the number you add to and subtract from | $~~~~~$7/2 |
So we have (7/2 + 1/2) and (7/2 - 1/2) which are 4 and 3 | |
To check, we multiply the brackets together
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