# Ex 6.3, 1 - Chapter 6 Class 12 Application of Derivatives (Term 1)

Last updated at April 14, 2021 by Teachoo

Last updated at April 14, 2021 by Teachoo

Transcript

Ex 6.3, 1 Find the slope of the tangent to the curve ๐ฆ=3๐ฅ4 โ 4๐ฅ ๐๐ก ๐ฅ= 4 ๐ฆ=3๐ฅ4 โ 4๐ฅ We know that slope of tangent =๐๐ฆ/๐๐ฅ =3.4๐ฅ^(4โ1)โ4 =12๐ฅ^3โ4 So, ๐๐ฆ/๐๐ฅ=12๐ฅ^3โ4 Putting ๐ฅ=4 (๐๐ฆ/๐๐ฅ)_(๐ฅ = 4)=12(4)^3โ4 =768โ4 =764 Thus, Slope of the tangent is 764 at ๐ฅ=4

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.