Question 1 - Finding slope of tangent/normal - Chapter 6 Class 12 Application of Derivatives

Last updated at August 13, 2026 by

Question 1 Class 12 Maths - Find slope y = 3x^4 - 4x at x = 5 - Tangents and Normals (using Differentiation)

part 2 - Question 1 - Tangents and Normals (using Differentiation) - Serial order wise - Chapter 6 Class 12 Application of Derivatives

Take a fresh quiz. Then take another.
Every attempt is a new AI-adaptive Teachoo quiz with 2 questions, selected from your answers, mistakes, and progress.
Remove Ads
Teachoo ยท Class 12 Explore Class 12

Transcript

Question 1 Find the slope of the tangent to the curve ๐‘ฆ=3๐‘ฅ4 โ€“ 4๐‘ฅ ๐‘Ž๐‘ก ๐‘ฅ= 4Given ๐‘ฆ=3๐‘ฅ4 โ€“ 4๐‘ฅ We need to find Slope of tangent at x = 4 We know that Slope of tangent =๐‘‘๐‘ฆ/๐‘‘๐‘ฅ =3 ร— 4๐‘ฅ^3โˆ’4 =๐Ÿ๐Ÿ๐’™^๐Ÿ‘โˆ’๐Ÿ’ Putting ๐‘ฅ=4 =12(4)^3โˆ’4 =768โˆ’4 =๐Ÿ•๐Ÿ”๐Ÿ’ Thus, Slope of the tangent at ๐‘ฅ=4 is 764

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.