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For any mechanics question such as this one the best way to start off is by drawing a diagram of the system and including all the forces acting on the pa...

At stationary point the derivative of y with respect to x equals zero. Find dy/dx. dy/dx = 2x - 6x^2.Set dy/dx = 0 ,giving 2x - 6x² = 0. We can rearrange this to x(1-3x) = 0 and solve...

f(x) becomes f'(x)1) First multiply out the brackets (by adding the indices) = x^4 + 2x^22) Then differentiate this. The indices moves to the front and multiplied by the number before the x. The indices i...

When solving inequalities, you should treat them like solving any regular equation that you are used to (ie. whatever operation you perform on the left hand side, you must perform on the right hand side a...

To simplify this equation we need to understand the rules of logarithm equations. When we add two natural logs (ln) together, we must actually multiply the contents of the brackets. For example:ln(5) + ln...