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Question
Which of the following is a quadratic equation?
Options
x2 + 2x + 1 = (4 – x)2 + 3
`-2"x"^2 = (5 - "x") [2"x" - 2/5]`
`("k" + 1)"x"^2 + 3/2"x" = 7`, where k = −1
x3 – x2 = (x – 1)3
MCQ
Solution
x3 – x2 = (x – 1)3
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