What is 'differentiation'?
Differentiating a function, f(x,t) with respect to a varible, such as x or t, tells you rate of change of the fucntion with respect to that varible. By subbing in a value for x into you differentiated function you can find the rate of chage of f (dfdx) at that exact position.
CE
Related Maths A Level answers
All answers ▸If 1/(x(a-x)) is equivalent to B(1/x + 1/(a-x)), Express 'B' in terms of 'a'
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