Application of DerivativeHard
Question
If V =
πr3, at what rate in cubic units is V increasing when r = 10 and
= 0. 01 ?
Options
A.π
B.4π
C.40π
D.4π/3
Solution
V =
πr3
⇒
=4π2 
⇒
=4π × 100 × 0. 01
[∵ r = 10 and
= 0. 01]
⇒
= 4π
⇒
⇒
[∵ r = 10 and
⇒
Create a free account to view solution
View Solution FreeMore Application of Derivative Questions
The equation of the normal to the curve x = at2, y = 2at at ′t′ point is-...The point on the curve y2 = 8x for which the abscissa and ordinate change at the same rate is-...If at any point (x1, y1) on the curve the subtangent and subnormal are equal, then the length of tangent is equal to -...A rectangular sheet of fixed perimeter with sides having their lengths in the ratio of 8 : 15 is converted into an open ...If the polynomial equation anxn + an−1xn−1 + ... + a2x2 + a1x + a0 = 0 n positive integer, has two different...