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How do I find the equation of the normal to the curve y=x^2 at the point (x1,y1)? Where x1=2 and y1=4 .

I would get the student to draw a diagram of the situation.. so draw the curve y=x^2, the tangent at (2,4) and then the normal. Then I would highlight to them that the equation we want is the equation of a s...
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Answered by Mohammad M. • Maths tutor
4676 Views

Calculate the area of a circle where the circumference of the circle and sides of the square are tangential at 4 points.

Note this is:AQA GCSE Mathematics (8300) June 2017Paper 1: Non-Calculator 8300/1H - HigherQuestion 12 The area of a square is its base multiplied by its height. In our case this gives an area containing mult...
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Answered by Lewis S. • Maths tutor
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What is 3.25 plus 3 and 3/4?

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Answered by Kelan T. • Maths tutor
4285 Views

What is homeostasis?

Homeostasis can be defined as the maintenance of a constant internal environment despite various stresses in the external environment which may act to alter this stable state. The stable state that the body ...
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Answered by Emma B. • Biology tutor
4069 Views

What do Oxbridge tutors look for in a personal statement?

Advice on Oxbridge personal statements vary but often remain in line with “showing passion for your chosen subject”. Though this is key, a better way to approach the Oxbridge personal statement is to pitch y...
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