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IF |{:(1+x,x,x^2),(x,1+x,x^2),(x^2,x,1+x...

IF `|{:(1+x,x,x^2),(x,1+x,x^2),(x^2,x,1+x):}| =a+bx+cx^2+dx^3+ex^4+fx^5` then write the value of a.

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