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

Solution: 12x 2 + 3 Working: General differentiation formular: d/dx (ax n ) = an(x n-1 ) So we multiply the coefficient (constant infront) of the x term by the power of x (in this case: n) and reduce the pow...
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Answered by Tutor77028 D. • Maths tutor
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Find the acute angle between the two lines... l1: r = (4, 28, 4) + λ(-1, -5, 1), l2: r = (5, 3, 1) + μ(3, 0, -4)

To do this, we will only consider the direction vectors of each line. That is to say, the vector 'attached' to our λ and μ terms (which are called scalar parameters).We will do this because the angle between...
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Answered by Rory B. • Maths tutor
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Explain how the author creates tension in the following extract from 'An Inspector Calls'.

The author, J B Priestley, creates a sense of tension in this extract from the play 'An Inspector Calls' in a number of different ways. First, the author creates a sense of pressure and anticipation by using...
EW
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How do I prepare for my Extended Project Qualification Presentation?

The presentation element of the Extended Project Qualification (EPQ) is a great opportunity to pick up marks and finish your project nicely. Preparing for this aspect of the EPQ well will help you both devel...
C(
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What should I include if I get a visual analysis question on how drama is created in an artwork?

The first thing to remember is that the question usually asks you to visually analyse drama in relation to one or two aspects of the artwork. Helpfully, these are usually quite general. For example, if the q...
OT
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