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What is the difference between a scalar product and a vector product, and how do I know which one to use in questions?

The main thing to consider here is the output of the operation. Vector and scalar products are both operations in which you take two vectors but then get something else. In a scalar product, you get a number...
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Answered by Maite E. Maths tutor
9078 Views

Express x^2+2x+4 in the form (x+a)^2 + b, hence find the stationary point of the curve.

Step 1) x 2 +2x+4 = (x+1) 2 +3Step 2) Minimum point occurs at (-1, 3) I can use the whiteboard to explain it better.
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Answered by Anton N. Maths tutor
7036 Views

Find the integral of the function y = ln(x)

(I can use the whiteboard for to explain it better)1) Express y = ln(x) as y = ln(x) * 12) Use integration by parts with u = ln(x), v'=(1), u'=1/x, v = xintegral = xln(x) - integral(x*1/x) =xln(x) - integral...
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Answered by Anton N. Maths tutor
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Explain why levels of education vary both in and between countries. (8)

One way education levels vary in and between countries is through designated levels of government spending. For instance, levels of government spending on education in France and the UK, two highly-developed...
JW
Answered by Joe W. Geography tutor
11153 Views

Explore the significance and presentation of emotional pain in one prose text we have studied, and one other text you have read as wider reading.

In Revolutionary Road , Yates presents emotional pain as a person’s weakness, rather than a justifiable reaction to a situation; the dismissive attitude towards the characters’ emotional pain epitomises the ...
JW
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