Example 9 - Chapter 12 Class 11 Limits and Derivatives
Last updated at Dec. 16, 2024 by Teachoo
Last updated at Dec. 16, 2024 by Teachoo
Example 9 Find the derivative of f(x) = 10x. Let f (x) = 10x We need to find derivative of f(x) i.e. f’ (x) We know that f’(x) = limh→0 f x + h − f(x)h Here, f (x) = 10x So, f (x + h) = 10(x + h) Putting values f’ (x) = limh→0 10 x + h − 10 xℎ = limh→0 10𝑥 + 10ℎ −10𝑥ℎ = limh→0 10ℎℎ = limh→0(10) = 10 Hence, f’(x) = 10
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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo