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RBSE Solutions for Class 10 Maths Chapter 2 Polynomials Ex 2.1

April 7, 2022 by Safia Leave a Comment

Rajasthan Board RBSE Solutions for Class 10 Maths Chapter 2 Polynomials Ex 2.1 Textbook Exercise Questions and Answers.

RBSE Class 10 Maths Solutions Chapter 2 Polynomials Exercise 2.1

Question 1.
The graphs of y = p(x) are given in Fig. below, for some polynomials p(x). Find the number of zeroes of p(x), in each case.
RBSE Solutions for Class 10 Maths Chapter 2 Polynomials Ex 2.1 1
RBSE Solutions for Class 10 Maths Chapter 2 Polynomials Ex 2.1 2
Solution:
(i) Here these are no zeroes as the graph does not intersect the x-axis.
(ii) Here the number of zeroes is 1 as the graph intersects the x-axis at one point only.
(iii) Here the number of zeroes is 3 as the graph intersects the x-axis at three points only.
(iv) Here the number of zeroes is 2 as the graph intersects the x-axis at two points only.
(v) Here the number of zeroes is 4 as the graph intersects the x-axis at four points only.
(vi) Here the number of zeroes is 3 as the graph intersects the x-axis at three points only.

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