1. Tangents: For any straight line we have only three possibilities: - it doesn’t intersect the circle, it intersects the circle at two different points and it touches the circle at just one point. 2....
The finely powdered ore is added to water in a tank containing pine oil. The mixture is agitated by blowing a blast of air. The ore particle preferentially wetted by oil come to the surface with froth...
I will solve a few questions which most students do in the wrong way. Firstly, I will tell what students do and then the correct solution 1)The sum to infinity of the series 1+2/3+6/3^2+10/3^3+... Here...