Question:medium

The coefficient of $x^{12}$ in the expansion of $(x^2+2x+2)^8$ is

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For finding a specific coefficient in a multinomial expansion, write down the general term and the two main equations: one for the power of the variable and one for the sum of the exponents. Then solve the system of equations for all possible non-negative integer solutions.

Updated On: Mar 30, 2026

1120
2240
2576
4152

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The Correct Option is C

Solution and Explanation

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