Question

Check whether the following are qua-
dratic equations or not. Justify your
answer.
i) (x - 2)2 + 1 = 2x - 3
ii) x(x + 1) + 8 = (x + 2) (x - 2)
iii) x(2x + 3) = x2 + 1
iv) (x + 2)3 = x3 - 4
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Answer 1

Hope this will help you