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Simplify (7+sqrt(5))/(sqrt(5)-1), leaving the answer in the form a+b*sqrt(5)

Step 1 - Identify the difference bet ween the required form of the answer and the expression to be simplified: It can be seen that in order to simplify the expression we need to somehow get rid of the denomi...
IR
Answered by Ian R. • Maths tutor
22055 Views

How do you write a good personal statement to apply for medicine?

A medical school personal statement needs to be as unique as you can possibly make it as the markers read thousands every year. On such a tight word count, every sentence needs to have a purpose to either te...
JR
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C1 - Simplifying a fraction that has a root on the denominator

(7+√5)/(√5-1) In this example we are given (√5-1) as our denominator, and we want to simplify this complex fraction into the form a + b√5. In order to do this our first step is to elimate the denominator. To...
CM
Answered by Claudia M. • Maths tutor
6134 Views

How do I simplify surds?

Easy! We first consider which number is in the square root. Then we look at it's factors:- if any of factors are square we can immediately take their root out of the overall square root. Once all the square ...
CW
Answered by Cordelia W. • Maths tutor
8386 Views

What are the features of an imperfect or monopolistic market?

This is the market structure that is more commonly found in the real world. It borrows its characteristics heavily from both perfectly competitive markets and monopolies. It's characteristics are as follows:...
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Answered by Shyam S. • Economics tutor
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