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Define what investment is: spending by firms on capital goods (eg. machinery). Then analyse the effect of the change in the question: Investment is component of the equation Y=C+I+G+NXIncreasing investmen...

Stationary points of an equation are found where the gradient of the tangent at this point equals zero. A diagram can illustrate this. To find them differentiate the given equation (which gives the gradie...

In order to tackle this equation, we have to keep in mind that whatever we do to one side of the equation we have to do to the other. Our aim is going to be to get all of the x's together on one side of t...

Okay so first always write out the equation...N₂(g) + 3H₂(g) ⇌ 2NH₃(g)Now we need to ask ourselves what equations we know are relevant to the question. The question gives ...

Unlike Latin, Classical Greek has more concrete rules on which cases govern which prepositions of motion. When dealing with motion towards (e.g. εἰς/προς - into/towards), the accusative case is used. Henc...