The radius of a sphere is increasing at a rate $3cm s^{-1}$. Find the rate of increase in the surface area, when the radius is 2cm. 

Similar Questions

If f(x) = 4x$^3$ + px$^2$ + 7x - 23 is divided by (2x -5), the remainder is 7. find the value of...

Find the equation of the normal to the curve y= 2x$^2$ - 5x + 10 at P(1, 7)...

A polynomial is defined by $f(x + 1) = x^{3} + px^{2} - 4x + 2$, find f(2)...

In the diagram, a ladder PS leaning against a vertical wall PR makes angle x° with the horizonta...

Solve: 8$^{x - 2}$ = 4$^{3x}$...

Given that $\frac{8x+m}{x^2-3x-4} ≡ \frac{5}{x+1} + \frac{3}{x-4}$...

A committee consists of 5 boys namely: Kofi, John, Ojo, Ozo and James and 3 girls namely: Rose, Ugo ...

Evaluate: $^{lim}_{x \to 1} \begin{pmatrix} \frac{1 - x}{x^2 - 3x + 2} \end {pmatrix}$...

If $\frac{x + P}{(x - 1)(x - 3)} = \frac{Q}{x - 1} + \frac{2}{x - 3}$, find the value of (P + Q)...

If $(x - 3)$ is a factor of $2x^{3} + 3x^{2} - 17x - 30$, find the remaining factors....