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How do you form a Cartesian equation from two parametric equations?

If the two parametric equations have the form x = a t + b and y = c t + d then the first step is to rearrange one to make the parameter 't' the subject. We then substitute this equation for 't' into the othe...
AL
Answered by Alexander L. • Maths tutor
18895 Views

The curve C has the equation (x^2)+4xy-8(y^2)+27=0. Find dy/dx in terms of x and y.

dy/dx= (x+2y)/(8y-2x)
EO
Answered by Emily O. • Maths tutor
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Answered by Rosie A. • Maths tutor
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Comparing Methane and Water's Properties

This question is quite chemical, and it's important to draw a diagram when answering it during the exam for both yourself and the marker to show a complete understanding of what is going on. Water is made of...
AS
Answered by Adedayo S. • Biology tutor
34053 Views

Compare how two texts have addressed the issue of love.

I would suggest that the student looks at 3 areas, form, structure and language. In terms of form, is it a poem, and if so, does it follow a particular rhyme and rhythm? Is it an extract from the novel, and ...
HG
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