Christmas MT's answer to Jolin Tan's Secondary 4 A Maths question.
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For Qn 4, apply the binomial theorem and slowly open up the brackets and factorise. For part ii, expand first to open up the brackets and find the two non-zero terms to equate to 1 and (-15/4)x^2 respectively. Check for any careless mistakes along the way.
Date Posted:
6 years ago
thank you!
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