CUET Preparation Today
Which of the following statements is true regarding the rate of change of the circumference of a circle per second with respect to its radius. |
It is always equal to \(2\pi \) It is never equal to \(2\pi \) It is always equal to \(4\pi \) It is always equal to \(6\pi \) |
It is always equal to \(2\pi \) |
dC/dr =\[2\pi \] |
