Solution by factorisation, completing the square, quadratic formula and discriminant.
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Q1 · Quadratic Equations · HARD
If α and β are the roots of the equation 2x² - 7x + 3 = 0, then the value of (1/α² + 1/β²) is:
Q2 · Quadratic Equations · MEDIUM
For what value of k will the equation x² - 2(k + 1)x + (k² + 2) = 0 have equal roots?