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Chain Rule: dy/dx = dy/du x du/dxy=e^3-2xSubstitute u for the power (3-2x) y = e^u u = 3-2xdy/du = e^u du/dx = -2dy/dx = -2e^u = -2e^3-2x

All living things need food to survive. However, plants cannot nip down to tesco to buy themselves a pizza, instead they make their own food. This process is called photosynthesis. Plants take in carbon d...

Throughout 'Mrs Dalloway', women are presented as being restricted by the dominating fears of failure, ageing and loneliness. The text is set in a post-war world (1923) where political turbulence has test...

I did of course consider carefully whether to be a doctor or nurse. Both the roles are integral to the functioning of our healthcare system, and they are somewhat different. I am compelled by the caring a...

Both the inside of a cell and a galaxy fall into a stable pattern, with a clear centre. In the natural world, there are lots of stable forms both in biology and physics - unstable things do not last for v...