NCERT Exercise 12.1 Q29 - Limits and Derivatives

Question: Let f(x) = (x-a1)(x-a2)...(x-an). Find lim x->a f(x), and for a different from every ai compute lim x->a f(x).

Answer: If a is one of the ai, the limit is 0; otherwise it is (a-a1)(a-a2)...(a-an).

Full step-by-step NCERT solution with diagrams on Something by Zero.

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