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#1 2013-06-02 08:54:49

smasher99
Member
Registered: 2013-06-02
Posts: 2

Expansion

How do I expand x-(1/x)^2?

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#2 2013-06-02 09:15:49

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 15,315

Re: Expansion

Around which point? It cannot be expanded around 0.


“Here lies the reader who will never open this book. He is forever dead.

“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

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#3 2013-06-02 09:27:50

smasher99
Member
Registered: 2013-06-02
Posts: 2

Re: Expansion

The answer is x^2-2+1/x^2 but I don't know how it was arrived at ...

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#4 2013-06-02 09:38:03

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 15,315

Re: Expansion

Oh, you mean

.

Well:

Last edited by anonimnystefy (2013-06-02 09:42:04)


“Here lies the reader who will never open this book. He is forever dead.

“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

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