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First we need to look at the important information and draw a diagram (on whiteboard).

Now, we know that the area of the rectangle is 48cm2 and that the area of any rectangle is:

length side...

a) Sub y= π/2 into equation, hence x coordinate is 4π^2 b) to find equation of the tangent, differentiate the equation using the chain rule (wrt y) and then substitute the coordinates of p into the differ...

There are several ways to factorise this quadratic expression, but the best way in my opinon is:

1. Take the constant in front of the x^2 and multiply it by the standalone constant (i.e. mul...