Expand, using the Binomial Theorem: (i) (a + b)^8 (ii) (x^2 + y^2)^7 (iii) (2x-3y)^6.
Express all coefficients as integers, so that it is clear exactly how large they are.
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Binomial Theorem二項式定理
2009-05-31 7:14 pm
回答 (1)
2009-05-31 10:38 pm
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參考: Physics king
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