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NCERT Solutions For Class 9 Maths Chapter 2 Polynomials Ex 2.3

Here, Below you all know about NCERT Solutions for Class 9 Maths Chapter 2 Polynomials Ex 2.3 Question Answer. I know many of you confuse about finding this Chapter 2 Polynomials Ex 2.3 Of Class 9 NCERT Solutions. So, Read the full post below and get your solutions.

TextbookNCERT
BoardCBSE
CategoryNCERT Solutions
ClassClass 9
SubjectMaths
ChapterChapter 2
ExerciseClass 9 Chapter 2 Polynomials Exercise 2.3
Number of Questions Solved6
NCERT Solutions For Class 9 Maths Chapter 2 Polynomials Ex 2.3

NCERT Solutions for Class 9 Maths Chapter 2 Polynomials Ex 2.3

NCERT TEXTBOOK EXERCISES

Question 1. Find the remainder when x3 + 3x2 + 3x + 1 is divided by

(i) x + 1
(ii) x – 1/2
(iii) x
(iv) x + π
(v) 5 + 2x

Solution:

Let p (x) = x3 + 3x2 + 3x + 1
(i) The zero of x+ 1 is – 1. (∵ x+ 1 = 0= x = -1)

Question 2. Find the remainder when x3-ax2 +6x-ais divided by x – a.

Solution:

The zero of x – a is a. (∵ x – a = 0 =» x= a)
Let p (x) = x3 – ax2 + 6x – a
So, p (a) = a3 – a (a)2 + 6a – a = a3 – a3 + 5a
⇒ p (a) = 5a
∴ Required remainder = 5a (By Remainder theorem)

Question 3. Check whether 7 + 3x is a factor of 3x3+7x.

Solution:

Let f(x) = 3x3+7x

NCERT Solutions for Class 9 Maths Chapter 2 Polynomials Exercise 2.3 PDF

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