If α, β are the roots of the quadratic equation x 2 - 11x + 18 = 0, then the value of α 2 + β 2 is:

RRB Group D 16 Sep 2022 Shift 1 Solved Paper

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If α, β are the roots of the quadratic equation x² - 11x + 18 = 0, then the value of α² + β² is:

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