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Each term is differentiated according to the formula:

y = ax^b --> dy/dx = b*ax^(b-1)

Constants differentiate to zero.

Therefore in this...

During mitosis, one cell divides into two daughter cells.

First, the cell grows and doubles the amount of DNA (in human cells from 23 pairs of chromosomes to...

Remember that the gradient of a curve is expressed as dy/dx. This can be solved by using the chain rule:

dy/dx = dy/dt*dt/dx. The dt in the denominator of the first term, and the numerato...

Choosing which University to apply to is not as random as it seems. There are multiple factors that you must consider. Most importantly, your strengths and weaknesses. If your UKCAT is your strong poin...