Jiayang's answer to Tricia Smilezxc's Junior College 1 H2 Maths question.
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This qn by itself is quite challenging. This is only part of the actual qn asked in the promo. The actual full qn is much much simpler.
Date Posted:
6 years ago
damn :( thank you!!
but for the second line of the working, why is there a minus one? :/
You expand the numerator and see what you get? You'll get back your original x.
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