NCERT Solutions for Class 10 Maths Chapter 2 Polynomials Ex 2.1 are part of NCERT Solutions for Class 10 Maths. Here we have given NCERT Solutions for Class 10 Maths Chapter 2 Polynomials Ex 2.1.
- Polynomials Class 10 Ex 2.1
- Polynomials Class 10 Ex 2.2
- Polynomials Class 10 Ex 2.3
- Polynomials Class 10 Ex 2.4
| Board | CBSE |
| Textbook | NCERT |
| Class | Class 10 |
| Subject | Maths |
| Chapter | Chapter 2 |
| Polynomials | |
| Exercise | Ex 2.1 |
| Number of Questions Solved | 1 |
| Category | NCERT Solutions |
NCERT Solutions for Class 10 Maths Chapter 2 Polynomials Ex 2.1
Question 1.
The graphs of y = p(x) are given below for some polynomials p(x). Find the number of zeroes of p(x) in each case.
Solution:
(i) Graph y = p(x) does not intersect the x-axis.
Hence, p(x) has no zero of p(x).
(ii) Graph y = p(x) intersects the x-axis at only one point.
Hence, there is only one real zero of p(x).
(iii) Graph y = p(x) intersects the x-axis at three points.
Hence, there are three real zeroes of p(x).
(iv) Graph y = p(x) intersects the x-axis at two points.
Hence, there are two real zeroes of p(x).
(v) Graph y = p(x) intersects the x-axis at four points.
Hence, there are four real zeroes of p(x).
(vi) Graph y = p(x) intersects the x-axis at three points.
Hence, there are three real zeroes of p(x).
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