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What is the difference between "tu" and "vous"?

"tu" is a far more relaxed and friendly way of saying "you" in French. It can be used for friends and family. Don't use it with an adult or someone you don't know unless they have told yo...
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Answered by Georgina O. • French tutor
1979 Views

Show that the funtion (x-3)(x^2+3x+1) has two stationary points and give the co-ordinates of these points

Stationary points are points where the gradient of a function is equal to 0. In this question the product rule can be used to find the gradient of the given function. The product rule is given by u'v+uv'= (u...
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Answered by Joe R. • Maths tutor
3793 Views

Find the nature of the turning points of the graph given by the equation x^4 +(8/3)*x^3 -2x^2 -8x +177 (6 marks)

(1 mark) Differentiate equation in the question: 4x 3 +8x 2 -4x-8(1 mark) Equate this to zero: (x-1)(x+1)(x+2)=0(1 mark) Find turning points (roots of above equation): x=1,-1,-2(1 mark) Differentiate again: ...
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Answered by Elizabeth B. • Maths tutor
3792 Views

‘Transnational corporations (TNCs) only bring advantages to the host country.’ Do you agree with this statement? Justify your decision.

TNCs bring both advantages and disadvantages to host countries, this has a more profound impact in LEDCs, such as Nigeria. Nigeria has approximately 40 TNCs operating within it and one of the biggest is Roya...
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Answered by Amber D. • Geography tutor
33112 Views

What are oncogenes and how do they relate to tumor formation?

Definition: an oncogenes is a gene, whose altered expression, over-expression, amplification and the presence of mutation lead to tumors arising.These most often are part of intracellular signalling pathways...
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Answered by Daniel B. • Biology tutor
3596 Views