# GCE O-Level Math Paper 2 – 25th OCT 17 – Check your Answers

The source is reliable. It is from another math tutor. However the watermark background is too prominent, it’s not easy to see the answers. I am unable to do the Math exam papers and I am preparing notes for student who will be taking the Additional Math exam at the end of this week.

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### Math – Statistics – 1st Quartile, Median and 3rd Quartile Ungroup Data

The above two diagrams show you how to find the 1st quartile, median (2nd Quartile) and the 3rd quartile ungroup

### Additional Math – Differentiation – Quotient Rule (Challenging)

Differentiate $latex \displaystyle\ y=\frac{{{{x}^{2}}\sqrt{{x+1}}}}{{x-1}}$ with respect to x. Simplify the Numerator (otherwise you need to use both quotient rule for

### Additional Math – Binomial theorem – Using Normal Expansion vs Binomial Theorem

The above video shows  two method of expanding the  expression; using the algebraic expansion (rainbow method) versus the binomial theorem.