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The coefficients in the expansion of ((x + y)^4) can be found using the binomial theorem, which states that ((a + b)^n = \sum_{k=0}^{n} \binom{n}{k} a^{n-k} b^k). For ((x + y)^4), the coefficients are given by (\binom{4}{k}) for (k = 0, 1, 2, 3, 4). This results in the coefficients: 1, 4, 6, 4, and 1. Therefore, the full expansion is (x^4 + 4x^3y + 6x^2y^2 + 4xy^3 + y^4).

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The coefficients in the expansion of (x plus y)4 are?

1,4,6,4,1


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x2 + y4 + x4 +y2 = x6 + y6unless you know what x and y are.* * * * *x2 + y4 + x4 + y2 ??I don't believe that this expression can be factorised or otherwise simplified.It certainly does not equal x6 + y6,for all x and all y:for example, if x = y = 1, thenx2 + y4 + x4 + y2 = 4, whilstx6 + y6 = 2;thus, they are two manifestly unequal quantities.


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If x = 3 and y = 4 then the answer is 2


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How can you do x4-y4?

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How is the pascal triangle and the binomial expansion related?

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