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The coefficient of $x^{24}$ in the expansion of $(1+x^2)^{12}(1+x^{12}) (1+x^{24})$ is :
\[\begin {array} {1 1} (1)\;12 C_6 & \quad (2)\;12C_6+2 \\ (3)\;12C_6+4 & \quad (4)\;12C_6+6 \end {array}\]
jeemain
eamcet
math
2009
q7
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Oct 8, 2013
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$(2)\;12C_6+2$
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Nov 7, 2013
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pady_1
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