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Maths
A Level

How do I find a stationary point on the curve?

Well that depends on the curve, but if it is a quadratic, we can do it with the following method. We know that differentiating the equation of the curve will give us the equation of the tangent to that cu...

Answered by Natalia R. Maths tutor
2415 Views

Find dy/dx when y = 4x^1/2

dy/dx means you have to differentiate the equation provided: y = 4x1/2When we differentiate with respect to x we must multiply the power by the coefficient: 1/2 = power by 4 = coefficient which...

Answered by Christopher B. Maths tutor
8499 Views

How do you sketch r=theta? I don't really understand polar coordinates.

First, make sure that the tutee understands using radians, and get them to do some examples of swapping between radians and degrees to ensure familiarity.Then explain to the tutee that they already intuit...

Answered by Georgina H. Maths tutor
2864 Views

What is differentiation?

Differentiation is a method used to find the rate of change of a function with respect to a given variable, eg. how f(x) changes with respect to x. There are different ways to find the derivative of a fun...

Answered by Harry T. Maths tutor
2550 Views

Find the derivative of A^4 + 2A^2 - 3A + 4

Ask if they have found derivations before.If not:When we differentiate a polynomial like this by using the fact that:The derivative of A^x is xA^(x-1).So, we multiply the unknown variable, A, by the power...

Answered by Jake M. Maths tutor
2792 Views

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