Sketch the graph of the ellipse \(\ds \frac{x^2}{9}+\frac{y^2}{16}=1\) and determine its foci. Let \(C\) be the conic which consists of all points \(P=(x,y)\) such ...
A 'gritty' Glasgow gran is set to climb a Loch Lomond hill this month in celebration of her 80th birthday. Maureen Kelly will be celebrating her milestone birthday on August 23 with a mighty hill walk ...