MHT CET 2025 Mathematics question
The length and breadth of a rectangle are cm and cm respectively. If the length decreases at the rate of 5 cm/minute and the breadth increases at the rate of 3 cm/minute, then the rates of change of the perimeter and area respectively when length is 5 cm and breadth is 2 cm, are
Answer: (A)
Solution
and . Perimeter , so cm/min. Area , so
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account