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Differentiate with respect to x: (4x^2+3x+9)

8x + 3. When you differentiate you must take each term separately. For the first term (4x^2) you must times the coefficent of x (4) by the power (2) and subtract one from the power. Giving an answer of 8 x. ...
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Answered by Dan W. • Maths tutor
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How should I plan my history essay?

Planning is essential to a successful history essay and it is important that you allocate enough time to make a plan of what you are going to write. I have a helpful planning method that involves four import...
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Answered by Dannika G. • History tutor
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How can I improve my AO2/AO3 marks?

In A2 psychology the most important part of an essay is the evaluations. Marks for this section can be boosted by making sure that the evaluations are relevant, clearly expressed and linked back to the quest...
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Answered by Marika I. • Psychology tutor
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Would you agree with Malcolm that the character of Macbeth is best described as a 'butcher'?

To regard Macbeth as a ‘butcher’ is far too restrictive a term for the complexity Shakespeare intended for his character. A ‘butcher’ is someone who kills in excess without remorse or proper reason, whereas ...
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Solve the inequality 2x - 10 < 6 - 2x

First, we can temporarily make this an equation rather than an inequality to make it easier to solve. We replace the “&lt;” with an equals sign “=”. The inequality now becomes an equality: 2x - 10 = 6 - 2x. ...
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Answered by Charlotte W. • Maths tutor
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