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Example 1 Find the limits: (iii) (𝑙𝑖𝑚)┬(𝑥→−1)⁡〖[1+𝑥+𝑥2+…..+𝑥10]〗 (𝑙𝑖𝑚)┬(𝑥→−1)⁡〖[1+𝑥+𝑥2+…..+𝑥10]〗 Putting x = –1 = 1 + (–1) + (–1)2 +…….+ (–1)10 = 1 – 1 + 1 + …….. + 1 = 0 + 0 + 0 + ……..0 = 1

Chapter 12 Class 11 Limits and Derivatives
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