RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 2. Polynomials

Subject: Maths - Class 10th

Q. No. 4 of Exercise 2A

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4

Find the zeros of the following quadratic polynomials and verify the relationship between the zeros and the coefficients:

4x2 – 4x – 3

Let f(x) = 4x2 - 4x - 3

Put f(x) = 0


4x2 - 4x - 3 = 0


4x2 - 6x + 2x - 3 = 0


2x(2x - 3) + 1(2x - 3) = 0


(2x + 1) (2x - 3) = 0



Now, sum of zeroes = -1 =


Product of zeroes


Hence, relationship verified.


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