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y=a^x take natural logs (also written as ln or log base e) of both sides lny=lna^x by logarithms rules lna^x=xlna lny=xlna Now differentiate implicitly 1/y = (dx/dy)lna Note here lna is just a constant, then...

Imagine a following situation: a stationary (not moving) object with a mass of 5 kg is suspended in the air by two strings. The angles between strings and the vertical directions are 15 and 55 degrees. What ...

It can be difficult to get vocab and grammar point cemented in your head but the trick is to cover the word and repeat it to yourself. You must do this regularly and look over your notes every few days as th...

Some drugs need to be converted into other molecules so the body can use them effectively. This conversion is done by enzymes, which are protiens. Protiens are made up of amino acids, which are coded for by ...

I am a second year student at Durham University averaging a first in English Literature. Durham University is ranked no. 1 in the league tables consistently for English Literature and I have frequent contact...