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Differentiate with respect to x: y = xln[2x]

This is an example of a question where we would have to use the product rule for differentiation, because we have two functions multiplied together ( x and ln(2x) ).If we have: y = uv, where u and v are f...

MA
5670 Views

Find the area of a kite with length 12cm and height 6cm.

The area of a kite is the (product of diagonal lengths)/2.A = (12 * 6)/2A = 36cm^2

TO
Answered by Theresa O. Maths tutor
3384 Views

Solve 8x + 9y = 3 and x + y = 0.

We have 8x + 9y = 3 [1] and x + y = 0 [2].We can make x or y the subject. Take y as subject we have y = -x [3].We substitute [3] into [1] and get 8x - 9x = 3 --> -x = 3 --> x = -3.Substituting x = -...

TO
Answered by Theresa O. Maths tutor
7396 Views

How do I make sure that I avoid 'waffle' in my essay?

Keep referring back to the essay question!
If your essay question is about an author/playwright, for example:
How does Shakespeare present Lady MacBeth in Macbeth in the extract?How doe...

EO
4400 Views

What is the basic essay format for an extract question?

Introduction2 or 3 sentencesWhat happens in the extract?What has just happened before the extract?What changes as a result of the extract?
3 Paragraphs for the body of the essayONE main point per par...

EO
6632 Views

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