Ex 6.3, 4 Prove that the following functions do not have maxima or minima: (i) 𝑓 (π‘₯) = 𝑒^π‘₯Given 𝑓 (π‘₯) = 𝑒^π‘₯ Finding maxima or minima 𝑓′(π‘₯) = 𝑒^π‘₯ Putting fβ€˜ (x) = 0 𝑒π‘₯ = 0 This is not possible for any value of x. ∴ f (x) does not have a maxima or minima.

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Davneet Singh

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, Social Science, Physics, Chemistry, Computer Science at Teachoo.