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How do you integrate ln(x)?

Use the method of integration by parts. uv-integral(v.du/dx). Make u equal to ln(x) and dv/dx equal to 1. Therefore v=x and du/dx=1/x. Hence uv=xln(x). And v.du/dx=x/x=1. Substituting these into the 'by p...

Answered by Michael S. • Maths tutor

3223 Views

How can I be more concise in my essays?

When writing an essay, you need only say what is necessary. Waffling can lead to confusing your point and losing precious marks! My first tip would be to make a clear plan when beginning writing; note you...

Answered by Grace W. • English tutor

3247 Views

How does the PDO (preceding direct object) rule work?

The past participle of the passé composé will reflect the gender and number of the preceding direct object. It is important to remember that it does not occur on the INdirect object.

For example,

Answered by Eloise S. • French tutor

2601 Views

Evaluate the view that reducing unemployment inevitably has trade-offs with other macroeconomic objectives.

This is a typical essay question, so start off by defining key terms for later use in the answer, such as what a trade-off is, and what the other macroeconomic objectives are. Then, go on the apply and an...

Answered by Ross B. • Economics tutor

7464 Views

Show that 12 cos 30° - 2 tan 60° can be written in the form√ k where k is an integer

Firstly work out (using the sin cos tan triangle and soh cah toa) what cos 30° and tan 60° are equal to so tan 60° = √3 and cos 30° = √3 / 2 then substitute these values into the euqation giving 12 x √3 /...

Answered by Eve N. • Maths tutor

31612 Views