Question

EXERCISE 4.1
1. Check whether the following are quadratic equations :
(i) (x + 1)2 = 2(x-3)
(ii) x2 - 2x=(-2) (
3x)
(iii) (x-2)(x+1)=(x - 1)(x+3)
(iv) (x - 3)(2x +1) = x(x + 5)
(v) (2x - 1)(x-3) = (x + 5)(x-1) (vi) x2 + 3x + 1 = (x - 2)2
(vii) (x+2) = 2x (x - 1)
(viii) x - 4x - x + 1 = (x-2)​

Answer 1

Answer:

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