Eric Nicholas K's answer to Skr's Secondary 3 A Maths Singapore question.
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Also, the treatment of the '(a + b)2 = 1/4 +- 6 needs to be a bit more careful, though still ok.
Most likely it is a case of 'where a and b are positive roots'.
Most likely it is a case of 'where a and b are positive roots'.
Date Posted:
5 years ago
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