This blog dates back to 2015-16 while I was teaching senior high school Extension 1 Mathematics (formerly 3U Maths) in Sydney, Australia. It contains a wide range of explanations, notes, and resources covering senior secondary-level mathematics topics. The easiest ways to navigate are by using the search bar or browsing through the labels/tags. If you find my content helpful and would like to support my work, a coffee donation is greatly appreciated — thank you!
Monday, 30 May 2016
Grove HSC 3U Exercise 5.11 Q3
Help :)
I edited over yours, see below. You were close, just bit magic math happening at the bottom. JH :-)
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