RD Sharma class 9 maths Solutions Factorization of Polynomials Exercise-6.5

• Factorization of Polynomials Chapter 6 Ex 6.1
• Factorization of Polynomials Chapter 6 Ex 6.2
• Factorization of Polynomials Chapter 6 Ex 6.3
• Factorization of Polynomials Chapter 6 Ex 6.4
• Factorization of Polynomials Chapter 6 Ex 6.5

RD Sharma Solutions Class 9 Chapter 6 Factorisation of Polynomials Ex 6.5

Using factor theorem, factorize each of the following polynomials:
Question 1.
x³ + 6x² + 11x + 6
Solution:

Question 2.
x³ + 2x² – x – 2
Solution:

Question 3.
x³ – 6x² + 3x + 10
Solution:

Question 4.
x⁴ – 7x³ + 9x² + x- 10
Solution:

Question 5.
3x³ – x² – 3x + 1
Solution:

Question 6.
x³ – 23x² + 142x – 120        [NCERT]
Solution:

Question 7.
y³ – 7y + 6
Solution:
Let f(y) = y³ – 7y + 6

Question 8.
X³ -10x² – 53x – 42
Solution:

Question 9.
y³ – 2y²– 29y – 42
Solution:

Question 10.
2y³ – 5y² – 19y + 42
Solution:

Question 11.
x³ + 13² + 32x + 20      [NCERT]
Solution:

Question 12.
x³ – 3x² – 9x – 5 [NCERT]
Solution:

Question 13.
2y³+ y² – 2y – 1      [NCERT]
Solution:

Question 14.
x³ – 2x² – x + 2
Solution:

Question 15.
Factorize each of the following polynomials:
(i) x³ + 13x² + 31x – 45 given that x + 9 is a factor
(ii) 4x³ + 20x² + 33x + 18 given that 2x + 3 is a factor
Solution:

Question 16.
x⁴ – 2x³ – 7x² + 8x + 12
Solution:

Question 17.
x⁴ + 10x³ + 35x² + 50x + 24
Solution:

Question 18.
2x⁴ – 7x³ – 13x² + 63x – 45
Solution:

RD Sharma class 9 maths Solutions Factorization of Polynomials Exercise-6.5

RD Sharma class 9 maths Solutions Factorization of Polynomials Exercise-6.5 Chapter 6 Q 1.



























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RD Sharma Class 9 Solutions