by KK LEE | Jan 20, 2015 | Textbook Solution |

Question 5 An inverted right circular cone of semi-vertical angle is collecting water from a tap at a steady rate of . Find the rate at which the depth of the water is rising when cm. Solution Question 7 A ladder 5 m long is leaning against a vertical wall. The...
by KK LEE | Oct 2, 2014 | Textbook Solution |

Question The position vectors of point and relative to origin , are given by and . Find the position vector of the point on such that is perpendicular to ....