Tang Jiacheng's answer to murli manohar's Junior College 2 H3 Maths question.
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That's the exact same qn from another account... same person? Anyway the qn looks tedious, but u dont actually need to follow the order given. A careful thought will reveal that the order given in the qn is equivalent to what I wrote.
Date Posted:
6 years ago
so nice of you sir thanku very much
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