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Surds are used in pythagoras' thereom where a2 +b2=c2
The answer (c2) then has to be square rooted and if it is a not a square number then you will end up with a surd
A surd can also be used to represent an irrational number rather as it is more accurate and saves time when writing it out
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∙ 13y ago
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Is 5 a surd?
Yes it is a surd
What is a square root of surd?
If the value of the surd is positive, then it will be another surd. Otherwise it will be a complex number.
Why pi is not a surd?
A surd is the square root of an integer (whole number), e.g. square root of 2 is a surd. Pi is not the square root of an integer so not a surd, just an irrational number
Cube root of 7 is a surd but is cube root of negative seven a surd?
I am pretty sure that the cube root of negative seven is a surd. I checked on the calculator.......and it showed a negative number.....??I think when it is not a surd...it's supposed to say error, so the number probably means that it is a surd..
Is there a law that you divide the surd index of a surd with a real no?
No. It is not a criminal or civil offence!
Is pi a surd?
No.
Who invented surd's?
i did
What is an infinite surd?
Infinite surd is a term used in mathematics. The definition of an infinite surd is a never ending irrational number with an exact value that would be left in square root form.
How do you simplify a surd in the form A square root B?
A surd in the form a√b cannot, in general, be simplified.
How do you divide by a surd?
algebra
Is 625 a surd?
no
What is square root 78 then squared in surd form?
[square root (78)] squared = 78. There is not a surd from for an integer.
