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Algebra

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+1855

Find the coefficient of y^4 in the expansion of (2y - 5 + y - 6)^4.

ABJeIIy Apr 29, 2024

1⁺⁰ Answers

+9675

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Simplifying, we have $(3y - 11)^4$ .

So the coefficient of $y^4$ is $3^4 = 81$

MaxWong May 2, 2024

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