Binomial expansion help Watch

myiphantasy
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Can anyone help me on this question.

Question -- Broken, sorry

Its part b. Thanks
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brianeverit
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(Original post by myiphantasy)
Can anyone help me on this question.

Question -- https://twitter.com/natekeegan1986/s...080000/photo/1

My working out --https://twitter.com/natekeegan1986/s...146112/photo/1

Its part b. Thanks
You are correct so far, now just apply the binomial expansion tyo (1-2x)^{-1} \mathrm{\ and\ }(1+x)^{-2} and collect like terms.
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myiphantasy
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(Original post by brianeverit)
You are correct so far, now just5 apply the binomial expansion tyo (1-2x)^{-1} \mathrm{\ and\ }(1+x)^{-2} and collect like terms.
Thank you very much
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brianeverit
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(Original post by myiphantasy)
Thank you very much
You're welcome
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myiphantasy
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(Original post by brianeverit)
You're welcome
Its a pleasure to have yout help, kindly obliged. Pos
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