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Write the number of the coefficients in the expansion of `(1-3x+3x^2-x^3)^8dot`

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We have, `(1-3x+3x^2-x^3)^8dot`
`=[(1-x)^3]^8`
`=(1-x)^24`
So, there are 25 terms in the expansion of `(1-3x+3x^2-x^3)^8dot` (answer)
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