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How should I analyse a primary source?

When approaching primary source questions it is worth remembering that the examiner needs to see you weigh up the source’s evidence in the light of your own knowledge. This is easy to do if you apply the ...

AH
Answered by Anne H. • History tutor
2908 Views

Solve x^2+6x+1=0 by completing the square

x2+6x+5=0 First of all half the x coefficient and write (x+6/2)2 the take away the (6/2)2 and add on the 5
(x+3)2-9+5=0
(x+3)2-4=0 ...

BS
Answered by Ben S. • Maths tutor
7647 Views

Find the equation of the tangent to curve y=5x^2-2x+3 at the point x=0

y=5x2-2x+3 Differentiate to find the equation of the gradient of the curve
dy/dx=10x-2 Substitute x=0 to find the gradient at the point x=0
dy/dx=-2

y=50^2-2

Answered by • Maths tutor
5122 Views

Explain the analogy of the divided line as an exemplary case of Plato’s epistemology

This question from an IB philosophy exam gives an opportunity to discuss Plato’s epistemology in books V–VII his Republic with a focus in one of its classical analogies: the divided line. Plato s...

CH
2267 Views

Expand 4e(e + 2)

4e^2 + 8e

Answered by • Maths tutor
16580 Views

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