Solve the following equation 21 x² = 4(2x + 1)

(i) 21 x² = 4(2x + 1)
(ii) 23 x2 – 13 x – 1 = 0

Solution:

ML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations Q8.1
ML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations Q8.2

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