Question 1 Exercise set 4.4 Class 9th Ganit Manjari | Chapter 4 Exploring Algebraic Identites
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Question 1 Exercise set 4.4 Class 9th Ganit Manjari | Chapter 4 Exploring Algebraic Identites
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Pie Factor
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53 просмотра · 1 мес. назад
In this video, I have explained the complete solution of Exercise Set 4.4, Question 1 from Class 9 Mathematics, Chapter 4 – Exploring Algebraic Identities, based on the new NCERT Ganita Manjari textbook.
This video is specially designed for Class 9 students who want to understand algebraic identities, factorisation, and the method of completing algebraic expressions step by step. The solution is explained in a simple and systematic manner so that students can easily understand the concept and solve similar questions independently.
Question discussed in this video:
Exercise Set 4.4 – Question 1
Fill in the blanks to complete the following identities:
(i) s² − 11s + 24 = (********)(********)
(ii) (________)(x + 1) = 3x² − 4x − 7
(iii) 10x² − 11x − 6 = (2x − **)(** + 2)
(iv) 6x² + 7x + 2 = (________****)(****_______)
In this question, we use factorisation techniques and algebraic identities to identify the missing factors and complete each expression. The video focuses on understanding how quadratic expressions can be factorised by comparing coefficients and finding suitable factors.
The first part deals with factorising s² − 11s + 24 by finding two numbers whose product is 24 and whose sum is −11. The second part involves identifying the missing factor when one factor, (x + 1), is already given. In the third and fourth parts, we carefully compare the coefficients of the quadratic expressions and determine the required factors.
This Class 9 Maths video is useful for students studying the new NCERT Ganita Manjari curriculum and preparing for school examinations, class tests, assignments, and mathematics practice. It can also be used for revision before exams.
Timestamps:
0:00 :Introduction
0:24 :Question 1 Part (i) Solution
4:54 :Question 1 Part (ii) Solution
7:50 :Question 1 Part (iii) Solution
10:16 :Question 1 Part (iv) Solution
Topics covered in this video include Class 9 Maths, NCERT Class 9 Maths, new NCERT Ganita Manjari, Chapter 4 Exploring Algebraic Identities, Exercise Set 4.4, Question 1, algebraic identities, factorisation of quadratic expressions, factorisation using identities, quadratic factorisation, and Class 9 Maths solutions.
If you are studying Chapter 4 – Exploring Algebraic Identities from the new NCERT Ganita Manjari Class 9 Mathematics textbook, this video will help you understand Exercise Set 4.4 Question 1 clearly and strengthen your factorisation concepts.
Subscribe to the channel for more Class 9 Maths solutions, NCERT Ganita Manjari solutions, exercise-wise explanations, algebraic identities, factorisation problems, and complete chapter solutions.
#class9maths #ganitamanjari #ncertsolutions #algebraicidentities
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