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

Step 1) x2+2x+4 = (x+1)2+3Step 2) Minimum point occurs at (-1, 3)
I can use the whiteboard to explain it better.

AN
Answered by Anton N. Maths tutor
5996 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) - integ...

AN
Answered by Anton N. Maths tutor
2882 Views

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-develo...

JW
Answered by Joe W. Geography tutor
10040 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 epit...

JW
3790 Views

integrate 5x + 3(square root of x)

5/2 x^2 + 2x^3/2 +c

AW
Answered by Ariana W. Maths tutor
4660 Views

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