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the connections within the retina explain this. there is a different density and distribution of different types of cells in the retina - the fovea, in the centre of the eye, has a high density of cone ce...

Using integration by parts split it into v'=(1/x^3) and u=ln(x). v=-1/2x^2 and u'=1/x. Integral ln(x)/(x^3) = u*v - Integral u'*v = -ln(x)*1/2x^2 - 1/4x^2 + c

In order to integrate the expression we must first rewrite it in terms of Partial Fractions i.e. A/x and B/(2-x), so that when multiplied together we have a fraction with same denominator as the expressio...

A democratic deficit is a great big gaping hole where public engagement with political processes should be. This means any area where citizens like you and me should have a say but don't. Since t...

Grice's maxim of quantity requires that you make your contribution to the conversation as informative as is needed for the current exchange. For example, let's say that A asks B "What did you have f...