Скачать или смотреть Class 12 Maths | Ex 5.5 Q18 & Ex 5.6 Q1 | Differentiation | NCERT | 2025-26| Toseef Sir

Hello Students!

In this video, we tackle important questions from two different exercises of Class 12 Maths, Chapter 5 - Differentiation. This session is perfect for students of the 2025-26 batch studying under CBSE, MP Board, or other boards following the NCERT syllabus.

First, we will prove the product rule for three functions from **Exercise 5.5, Question 18**, using two different methods as asked in the textbook. After that, we will begin the next topic, "Derivatives of Functions in Parametric Forms," by solving the first question from **Exercise 5.6**.

✅ *Questions Covered in this Video:*

1. *Exercise 5.5, Question 18:*
Prove that:
$\frac{d}{dx}(u \cdot v \cdot w) = \frac{du}{dx} \cdot v \cdot w + u \cdot \frac{dv}{dx} \cdot w + u \cdot v \cdot \frac{dw}{dx}$
(i) by repeated application of the product rule
(ii) by logarithmic differentiation

2. *Exercise 5.6, Question 1:*
Find dy/dx if:
$x = 2at^2$, $y = at^4$

➡️ *This video is helpful for:*
Class 12 Students (Session 2025-26)
CBSE & MP Board Exam Aspirants
Anyone wanting to master differentiation concepts.

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