Question: 4. Determine the values of k for which the function f(x) = x - 2x + 4kx +9 = 0 has two real roots. Check

4. Determine the values of k for which the function f(x)

4. Determine the values of k for which the function f(x) = x - 2x + 4kx +9 = 0 has two real roots. Check this value in the original equation

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