Chapter 4 Quadratic Equations.
प्रश्नावली 4.1
(i) (x + 1)2 = 2 (x – 3)
(ii) x2 – 2x = (-2) (3 – x)
(iii) (x – 2) (x + 1) = ( x – 1)(x + 3)
(iv) (x – 3) (2x + 1) = x (x + 5)
(v) (2x – 1) 2 (x – 3 ) = (x + 5) (x – 1)
(vi) x2 + 3x + 1 = (x – 2)2
(vii) (x + 2)3 = 2x (x2 – 1)
(viii) x3 – 4×2 – x + 1 = (x – 2)3
