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A real valued function f(x) satisfies the functional equation 4f(x) + 5f(6 – x) = x2 + 5. Then the value of 9f(2) is equal to

Answer» A real valued function f(x) satisfies the functional equation 4f(x) + 5f(6 – x) = x2 + 5. Then the value of 9f(2) is equal to


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