RD Sharma Class 9 Solutions Chapter 6 Exercise 6.3 (Updated for 2021-22)

RD Sharma Class 9 Solutions Chapter 6 Exercise 6.3

RD Sharma Class 9 Solutions Chapter 6 Exercise 6.3: Unable to score good despite reading too many books for your Class 9 Maths exam? Maybe you just need one good for that and i.e., RD Sharma Solutions Class 9 Maths. There are many benefits of studying the RD Sharma Class 9 Solutions Chapter 6 Exercise 6.3 which includes to the point solutions, credible and as per the curren CBSE Syllabus and more. To know more, read the whole blog. 

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RD Sharma Class 9 Solutions Chapter 6 Exercise 6.3

 


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Question 1.
f(x) = x3 + 4x2 – 3x + 10, g(x) = x + 4
Solution:
RD Sharma Solutions Class 9 Chapter 6 Factorisation of Polynomials
RD Sharma Class 9 PDF Chapter 6 Factorisation of Polynomials

Question 2.
f(x) – 4x4 – 3x3 – 2x2 + x – 7, g(x) = x – 1
Solution:
Factorisation of Algebraic Expressions Class 9 RD Sharma Solutions

Question 3.
f(x) = 2x4 – 6X3 + 2x2 – x + 2, ,g(x) = x + 2
Solution:
RD Sharma Class 9 Solution Chapter 6 Factorisation of Polynomials
Class 9 RD Sharma Solutions Chapter 6 Factorisation of Polynomials

Question 4.
f(x) = 4x3 – 12x2 + 14x – 3, g(x) = 2x – 1
Solution:
Class 9 Maths Chapter 6 Factorisation of Polynomials RD Sharma Solutions

Question 5.
f(x) = x3 – 6x2 + 2x – 4, g(x) = 1 – 2x
Solution:
RD Sharma Book Class 9 PDF Free Download Chapter 6 Factorisation of Polynomials
RD Sharma Class 9 Book Chapter 6 Factorisation of Polynomials

Question 6.
f(x) = x4 – 3x2 + 4, g(x) = x – 2
Solution:
Factorisation of Polynomials With Solutions PDF RD Sharma Class 9 Solutions
RD Sharma Class 9 Maths Book Questions Chapter 6 Factorisation of Polynomials

Question 7.
RD Sharma Mathematics Class 9 Solutions Chapter 6 Factorisation of Polynomials
Solution:
Solution Of Rd Sharma Class 9 Chapter 6 Factorisation of Polynomials

Question 8.
RD Sharma Math Solution Class 9 Chapter 6 Factorisation of Polynomials
Solution:
RD Sharma Class 9 Questions Chapter 6 Factorisation of Polynomials
Maths RD Sharma Class 9 Chapter 6 Factorisation of Polynomials
RD Sharma Class 9 Chapter 6 Factorisation of Polynomials

Question 9.
If the polynomials 2x3 + ax2 + 3x – 5 and x+ x2 – 4x + a leave the same remainder when divided by x – 2, find the value of a.
Solution:
Let f(x) = 2x3 + ax2 + 3x – 5
g(x) = x3+x2-4x + a
q(x) = x –  2 ⇒ x-2 = 0  ⇒x = 2
∴ Remainder =f(2) = 2(2)3 + a(2)2 + 3 x 2-5
= 2 x 8 4-a x 4 + 3 x 2-5
= 16 + 4a + 6 – 5
= 4a +17
and g(2) = (2)3 + (2)2 -4×2 + a
= 8 + 4 – 8 + a = a + 4
∵  In both cases, remainder are same
∴  4a + 17 = a + 4
⇒  4a – a = 4 – 17 ⇒  3a = -13
⇒ a = 133
Hence a = 133

Question 10.
If the polynomials ax3 + 3x2 – 13 and 2x3 – 5x + a, when divided by (x – 2), leave the same remainders, find the value of a.
Solution:
Let p(x) = ax3 + 3x2 – 13
q(x) = 2x–5x + a
and divisor g(x) = x – 2
x-2 = 0
⇒ x = 2
∴ Remainder = p(2) = a(2)3 + 3(2)2 – 13
= 8a + 12 – 13 = 8a – 1
and q( 2) = 2(2)3 – 5×2 + a=16-10 + a
= 6 + a
∵  In each case remainder is same
∴ 8a – 1 = 6 + a
8a – a = 6 + 1
⇒  7a = 7
⇒ a = 77= 1
∴ a = 1

Question 11.
Find the remainder when x3 + 3x2 + 3x + 1 is divided by
RD Sharma Class 9 Solutions Chapter 6 Factorisation of Polynomials
Solution:
RD Sharma Solutions Class 9 Chapter 6 Factorisation of Polynomials
RD Sharma Class 9 PDF Chapter 6 Factorisation of Polynomials
Factorisation of Algebraic Expressions Class 9 RD Sharma Solutions
RD Sharma Class 9 Solution Chapter 6 Factorisation of Polynomials

Question 12.
The polynomials ax3 + 3a-2 – 3 and 2x3 – 5x + a when divided by (x – 4) leave the remainders R1 and R2, respectively. Find the values of a in each case of the following cases, if
(i) R1 = R2
(ii) R1 + R2 = 0
(iii) 2R1 – R2 = 0.
Solution:
Class 9 RD Sharma Solutions Chapter 6 Factorisation of Polynomials
Class 9 Maths Chapter 6 Factorisation of Polynomials RD Sharma Solutions

RD Sharma class 9 maths Solutions Factorization of Polynomials Exercise-6.3

RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-1
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-2
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-3
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-4
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-5
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-6
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-7
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-8
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-9
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-10
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-10_1
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-11
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-11_1
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-12_1
RD-Sharma-class 9-maths-Solutions-chapter 6-Factorization of Polynomials -Exercise 6.3-Question-12_2

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