What does it mean by find the real root of f(x)
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username3162332
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I was doing an iteration question and in part be they asked me to find the real root of the iteration . Like what's that?
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RDKGames
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#2
(Original post by Rxha)
I was doing an iteration question and in part be they asked me to find the real root of the iteration . Like what's that?
I was doing an iteration question and in part be they asked me to find the real root of the iteration . Like what's that?
If you never studied complex numbers then you don't have to worry about it.
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Vikingninja
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#3
**** explanation but a real number is one that definitely exists, complex (non real) numbers include stuff such as square root -1 which you have to express in more complex ways as they shouldn't exist. A root for f(x) is a value of x where the function is = 0. Basically its just asking you to find a root for the function that does exist.
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Towcestermaths
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(Original post by Vikingninja)
**** explanation but a real number is one that definitely exists, complex (non real) numbers include stuff such as square root -1 which you have to express in more complex ways as they shouldn't exist. A root for f(x) is a value of x where the function is = 0. Basically its just asking you to find a root for the function that does exist.
**** explanation but a real number is one that definitely exists, complex (non real) numbers include stuff such as square root -1 which you have to express in more complex ways as they shouldn't exist. A root for f(x) is a value of x where the function is = 0. Basically its just asking you to find a root for the function that does exist.
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Zacken
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(Original post by Towcestermaths)
Now that is a topic for conversation. In what way does -1.732 or -pi, exist but 3 +2i doesn't?
Now that is a topic for conversation. In what way does -1.732 or -pi, exist but 3 +2i doesn't?


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Kyx
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B_9710
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_gcx
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(Original post by Towcestermaths)
Now that is a topic for conversation. In what way does -1.732 or -pi, exist but 3 +2i doesn't?
Now that is a topic for conversation. In what way does -1.732 or -pi, exist but 3 +2i doesn't?


In all technicality you can write any given real number as


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Kyx
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(Original post by B_9710)
The complex number i is certainly not real as the number 1. They both exist, sure but i is certainly not real at all.
The complex number i is certainly not real as the number 1. They both exist, sure but i is certainly not real at all.
The term 'real' number is an unfortunate name

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Jai Sandhu
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