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Let A=[[alpha+beta, alpha^2+beta^3, alph...

Let `A=[[alpha+beta, alpha^2+beta^3, alpha^3+beta^3],[alpha^2+beta^2,alpha^3+beta^3,alpha^4+beta^4],[alpha^3+beta^3, alpha^4+beta^4,alpha^5+beta^5]]`, then (1) A is an involuntary matrix (2) A isa singular matrix (3) |A|=26 (4) none of these

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