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SETS — MATHS STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceMATHSSETS1 Mark
Question
Write the solution set of the equation $x^2 + x – 2 = 0$ in roster form.
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Answer

Here,the given equation can be written as -(x – 1) (x + 2) = 0, that isx = 1, – 2
Therefore, the solution set of the given equation can be written in roster form as {1, – 2}.

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