The length of a rectangle is decreasing at a rate of 3 cm/sec and breadth is increasing at a rate of 4 cm/sec. Find the rate of change of its (a) perimeter (b) area, when the length and breadth of rectangle are 7 cm and 8 cm respectively.

5 views

1 Answers

Correct Answer - `(a) 2 cm//sec (b) 4 cm^(2)//sec`,Increase

5 views

Related Questions