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B6 let Sub to Thus, it is a min point. C7 let (NA). There are no stationary points for this curve. C8 Let Evaluate with a calculator…

Another interesting vectors question. The fixed point has position vector a relative to a fixed point . A variable point has position vector r relative to . Find the locus of if r (r – a) = 0.

This is a question a student sent me a few days back, and I shared with my class. Find the Cartesian equation of the locus of all points (plane) that is equidistant of the plane and plane. The [...]

When , it implies we have a stationary point. To determine the nature of the stationary point, we can do either the first derivative test or the second derivative. The first derivative test: [...]

If , where , and are all non-zero vectors, show that bisects the angle between and .

I’ll keep this short since we are all busy. One thing about paper 1 we saw, there were many unknowns. So topics which I think will come out… Differentiation – I think a min/max [...]

All solutions here are SUGGESTED. KS will hold no liability for any errors. Comments are entirely personal opinions. Thoughts before 2016 A-level H2 Mathematics Paper 1 Paper 2 Relevant materials [...]

HCI/1/6 A group of boys want to set up a camping tent. They lay down a rectangular tarp OABC on the horizontal ground with OA = 3 m and AB = 1.5 m and secure the points D and E vertically above O [...]

All solutions here are SUGGESTED. KS will hold no liability for any errors. Comments are entirely personal opinions. As these workings and answers are rushed out asap, please pardon me for my [...]

All solutions here are SUGGESTED. KS will hold no liability for any errors. Comments are entirely personal opinions. Numerical Answers (click the questions for workings/explanation) Question 1: [...]