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Hace + time + que + verb in present tenseExample: hace ocho años que estudio español Verb in the present + desde <...

Begin by denoting the first and second Fibonacci number as 0 and 1 respectively. This helps us define a base case for our algorithm. We know that new Fibonacci numbers are formed by adding its 2 predecess...

Differentiate using product rule as expression consist of two functions.Product Rule: d(f(x)g(x))/dx = g(x).f'(x) + f(x).g'(x)Chain Rule: d(f(g(x)))/dx = g'(x) . f'(g(x))
Let: f(x) = 2x f'(x) = 2 - s...

Given that the equation is a straight line we know that it will take the form of y = mx + c with m as the gradient and c as the y-intercept. We can find the slope by doing (y₁- y₂)/(...

At rest K+ that is going out of cell clamps the membrane potential negative (e.g. -70 mV)An external factor (e.g. synaptic activity) causes the membrane to depolarise slightly. If the voltage reaches thre...