Application of DerivativeHard
Question
The volume of metal in a hollow sphere is constant. If the inner radius is increasing at the rate of 1 cm/sec, then the rate of increase of the outer radius when the radii are 4 cm and 8 cm respectively is-
Options
A.0. 75 cm/sec
B.0.25 cm/sec
C.1 cm/sec
D.0.50 cm/sec
More Application of Derivative Questions
The area of triangle formed by tangent to the hyperbola 2xy = a2 and coordinates axes is-...Let f(x) = x sin π x, x > 0. Then for all natural numbers n, f′(x) vanishes at -...Equation of the normal to the curve y = - √x + 2 at the point of its intersection with the curve y = tan (tan-1 x)...The equation of the normal to the curve 2y = 3 - x2 at (1, 1) is-...At what point the tangent line to the curve y = cos(x + y), (-2π ≤ x ≤ 2π) is parallel to x + 2y =...