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in Quadratic Equations by (31.2k points)
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If 1 + √2 is a root of a quadratic equation with rational coefficients, write its other root.

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Best answer

1 + √2 Is a root of quadratic equation with rational coefficients that is the sum of the roots is rational and the product of the roots is also rational.

Since the rational roots occurs in conjugate pairs so the other root of the equation is 1 – √2

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