NCERT Exercise 12.2 Q8 - Limits and Derivatives

Question: Find the derivative of (x^n-a^n)/(x-a), where a is constant.

Answer: Sum from k=0 to n-2 of (n-1-k)a^k x^(n-2-k).

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

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