Prove that the curve y2 =4ax and xy=c2 cut at right angles if c4 =32a4?
The radius of circle is increasing at the rate of 0.1 cm per second determine the rate of change of area when radius of circle is 5 centimetre
The side of a square sheet of maths metal is increasing Airtel 3 cm per minute at what rate is the area increasing when the side is 10 cm long?