At a given instant the legs of a right angled triangle are 8 inch and 6 inch respectively. The first leg decreases at 1 inch per minute and second increases at 2 inch per minute. The rate of increasing of the area after 2 minute is

At a given instant, the legs of a right -angle triangle are 6 inch. And 8 "inch" . If the first leg increases at 2 "inch"// min and the second decreases at 1 "inch"//min , then, after 2 minutes, area of the triangle is changing at the rate of

At a given instant , the legs (sides) of a right - angled triangle are 16 cm and 12 cm. If the first side decreases at 0.5 cm //sec and the second increases at 2 cm //sec , then, after 2 seconds , area of the triangle is increasing at the rate of

At a given instant, the sides OA and OB of a right angled triangled AOB are 8 cm and 6 cms respectively If OA increases at the rate of 2cm/sec and OB decreases at the rate of 1 cm/sec, the rate of decreases of the area of DeltaAOB after 2 seconds is

When a circular oil drop expands on water, its area increases at the uniform rate of 40 sq.cm per minute. The rate of increase in the radius when the radius 5 cm is

The side of a square sheet of a metal is increasing at 3 cm per minute . At what rate is the area increasing when the side is 10 cm long ?

The side of a square sheet is increasing at 3 cm per minute. At what rate is the area increasing when the side is 10 cm long?

The spherical ballon is being inflated so that its volume increases uniformly at the rate of 40 cubic cm per minute. The rate of increase in the surface as when the radius is 8 cm is

The side of a square sheet is increasing at the rate of 4 cm per minute. At what rate is the area increasing when the side is 8 cm long?