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C4 Partial Fractions questions

Wannabeamed

Express -2x
(2+x)(squared)

Thanks

Magnolia,
x

Reply 1

username236426

I sense a Latex error :P

so

-2x/ (2+x)(2+x)

P34c0ck1991

so

-2x/ (2+x)(2+x)

yup !

Reply 4

username236426

P34c0ck1991

so

-2x/ (2+x)(2+x)

Oooh

Reply 5

Wannabeamed

Topmanfaz

Oooh

hmmm

Wannabeamed

Express -2x
(2+x)(squared)

Thanks

Magnolia,
x

Start with

\frac{-2x}{(2+x)^2} = A + \frac{B}{2+x} + \frac{C}{(2+x)^2}

now just solve for A, B and C

hint

Edit: I think A is 0 but I'm not going to change the example because I'm too lazy :tongue:

Reply 8

Wannabeamed

The Muon

Start with

\frac{-2x}{(2+x)^2} = A + \frac{B}{2+x} + \frac{C}{(2+x)^2}

now just solve for A, B and C

hint

ahh thats what i didnt know: the A part.

Thank you!

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