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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 st...

CM
Answered by Claudia M. Maths tutor
5926 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 squa...

CW
Answered by Cordelia W. Maths tutor
8124 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 follo...

SS
Answered by Shyam S. Economics tutor
10465 Views

What is the law of diminishing returns?

The law of diminishing returns is when the marginal output of a production process decreases with every additional increase in a factor of production (or input), holding all other factors of production co...

SS
Answered by Shyam S. Economics tutor
4172 Views

Explain how the lungs are adapted for gaseous exchange.

The lungs are made up of tiny sacs called alveoli which presents a very large surface area for gaseous exchange. The lungs are well supplied with blood due to lots of capillaries covering the alveoli, ...

JT
Answered by Jonathan T. Biology tutor
59289 Views

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