Chapter 4 Quadratic Equation “ Equation of highest degree of 2 is called quadratic equation” for eg. Ax2+bx+C=0 Exercise 4.1 1. Check whether the following are quadratic equations: (i) (x + 1) 2 = 2(x – 3) (ii) x 2 – 2x = (–2) (3 – x) (iii) (x – 2)(x + 1) = (x – 1)(x + 3) (iv) (x – 3)(2x +1) = x(x + 5) (v) (2x – 1)(x – 3) = (x + 5)(...
