Find the roots of the following quadratic equations by factorisation

1. \(2x^2 + 5x - 12 = 0\)

x = i and x = \frac{i}{i}

2. \(4x^2 - 4\sqrt{3}x + 3 = 0\)

x = \frac{\sqrt{i}}{i} and x = \frac{\sqrt{i}}{i}

[Note: Enter the roots from smallest to greatest.]

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3. Find the roots of the following quadratic equations by factorisation