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Factorise and solve x^2 - 8x + 15 = 0.

Whenever faced with a quadratic equation in the form of AX^2 + BX + C = 0, the first thing you do is factorise it, which will look something like this: (X )(X ) = 0.You can see from this that when you multip...
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Answered by Zarmala N. • Maths tutor
3981 Views

Explain the formation of different types of Moraine (7 marks)

A moraine is any material transported and deposited by a glacier, there are many different types of moraine. One type of moraine is medial moraine which is formed where two glaciers meet depositing glacial d...
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Answered by Oliver C. • Geography tutor
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How does a firm maximise revenue (linear revenue curves)?

Total revenue is maximised where the downward sloping marginal revenue curve cuts the x-axis. This makes sense when we realise that 'marginal' means 'of an additional unit'. So, total revenue is maximised wh...
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Answered by Oliver B. • Economics tutor
3677 Views

i) It is given that f(x)=(-5-33x)/((1+x)(1+5x)), express f(x) in the form A/(1+x) + B/(1+5x) where A,B are integers. ii) hence express the integral of f(x) between x=3 and x=0 in the form (p/q)ln4 where p,q are integers.

i) -7/(1+x) + 2/(1+5x) ii) (-31/5)ln4
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Answered by Damon T. • Maths tutor
4562 Views

find the integral of ((3x-2)/(6x^2-8x+3)) with respect to x between x=2 and x=1. (hint use substitution u=denominator)

(ln11)/4
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Answered by Damon T. • Maths tutor
4660 Views