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The coefficient of $t^{24} in {(1 + t^{2})}^{12} (1 + t^{12}) (1 + t^{24})$
is

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Correct option is B

Coefficient to t24 in 1+t2121+t121+t24Coefficient of t24 in 1+12C1t2+12C2t4+…1+t12+t24 =12C12+12C6+1=12C6+2

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The coefficient of t24 in 1+t2121+t121+t24is

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The coefficient of $t^{24} in {(1 + t^{2})}^{12} (1 + t^{12}) (1 + t^{24})$
is