Course Content
Chapter 1 Real Numbers
0/2
Chapter 2 Polynomials
0/2
Chapter 3 Pair OF Linear Equations
0/3
Chapter 4 Quadratic Equations
0/3
Chapter 5 Arithmetic Progressions
0/3
Chapter 7 Coordinate Geometry
0/2
Chapter 8 Introduction to Trigonometry
0/4
Chapter 9 Applications Of Trigonometry
0/1
Chapter 10 Circles
0/2
Chapter 11 Areas related to circles
0/1
Chapter 12 Surface Area & Volumes
0/2
Chapter 14 Probability
0/1
10th Maths NCERT Course
About Lesson

Exercise 2.2 

Question 1: Find the zeroes of the following quadratic polynomials and verify the relationship between
the zeroes and the coefficients.
(i) x^2– 2x – 8    (ii) 4s^2– 4s + 1    (iii) 6x^2– 3 – 7x

 

Solution : 

 

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Question 1 : (iv), (v), (vi)

(iv) 4u^2+ 8u     (v) t^2– 15     (vi) 3x^2– x – 4

Solution: 

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Question 2:  Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively.

(i)  1/4,  -1        (ii)  √ 2 , 1/3      (iii)  0, √5

Solution : 

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Question 2:  (iv), (v), (vi)

(iv) 1,1   (v) -1/4, 1/4  (vi) 4,1

Solution: 

 

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