If the equations x 2 + ax + b = 0 and x 2 + bx + a = 0 have a common root, then find the value of a + b (where a is not equal to b)

RRB NTPC CBT I 18 Jan 2021 Shift 1 Paper

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If the equations x² + ax + b = 0 and x² + bx + a = 0 have a common root, then find the value of a + b (where a is not equal to b)

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