C-02-Q079mediumsingle_mcqThe simplification of a(a−b)(a−c)+b(b−c)(b−a)+c(c−a)(c−b)\dfrac{a}{(a-b)(a-c)} + \dfrac{b}{(b-c)(b-a)} + \dfrac{c}{(c-a)(c-b)}(a−b)(a−c)a+(b−c)(b−a) is:a1b-1c0dabcabcabc