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How do I find the equation of the normal line given a point on the curve?

The normal line to a curve at a particular point is the line through that point and perpendicular to the tangent.

A simple trick to remembering how to find the normal...

Answered by Joy M. • Maths tutor

65337 Views

Prove why the quadratic formula works

The quadratic formula is

Answered by Jake R. • Maths tutor

5620 Views

How to differentiate using the Product Rule
The Product Rule is used when differentiating two functions that are bei...
CM
Answered by Callum M. • Maths tutor
4617 Views

What is the derivative of x^x
Firstly we should notice the similarities between this expression and expressions of the standard type ax.

DK
Answered by Daniel K. • Maths tutor
4709 Views
How to factorise any quadratic expression
Factorising quadratic equations

This method is used for the following factorable expression:

ax²+bx+c

Although this method is particularly useful wit...
AP
Answered by Adil P. • Maths tutor
4859 Views
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How do I find the equation of the normal line given a point on the curve?

Prove why the quadratic formula works

How to differentiate using the Product Rule

What is the derivative of x^x

How to factorise any quadratic expression

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