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দৃশ্যকল্প-১: ( T(x, y)=x+i y ) দৃশ্যকল্প-২: ( (1+x)^ n =a_ 0 +a_ 1 x+a_ 2 x^ 2 + ldots ldots ldots ldots . . . . .+a_ n x^ n ) | Suva Ai