Given that M is the solution of quadratic equation x2-9x + 1 = 0, then m2-7m + M2 + 1 / 18=

Take m into the equation to get m ^ 2-9m + 1 = 0, m ^ 2 + 1 = 9m, integrate m ^ 2-7m + 18 / (m ^ 2 + 1) into m ^ 2 + 1 + 18 / (m ^ 2 + 1) - 7m-1, and take m ^ 2 + 1 = 9m to get 9m + 18 / 9m-7m-1,2m + 2 / m-1,2m ^ 2 + 2 / m-1,2 (m ^ 2 + 1) / M-1 = 2 * 9m / 2-1 = 9-1 = 8

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