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17 October, 07:53

A + b) 2 = 1a2 + 2ab + 1b2 (a + b) 3 = 1a3 + 3a2b + 3ab2 + 1b3 How are binomial expansions related to Pascal's triangle?

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  1. 17 October, 08:19
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    The coefficients of the terms come from rows of the triangle. If the exponent is n, look at the entries in row n.
  2. 17 October, 08:23
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    Pascal triangles gives us the coefficients for an expanded binomial of the form (a+b) n, where n is now the row of the triangle ...
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