RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 2. Polynomials

Subject: Maths - Class 10th

Q. No. 7 of Multiple Choice Questions (MCQ)

Listen NCERT Audio Books - Kitabein Ab Bolengi

7

The zeros of the polynomial are


f(x) = 21x2 – 11x – 2 =0


Now, put f(x) = 0


21x2 – 11x – 2 =0


21x2 – 14x + 3x – 2 =0


7x(3x – 2) + 1 (3x – 2) = 0


(3x – 2) (7x + 1) = 0



Hence, option A is correct.

7

Chapter Exercises

More Exercise Questions