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For f(x) not to have any real roots, its discriminant, b²-4ac < 0. Plugging in the coefficients from f(x), this means (-(2c+8))²-4x4x4 < 0.This means (-(2c+8))² <...

Katzenbach and Smith suggest a team is defined through the composition of a small group working together committed to the same performance goals for which they hold themselves mutually accountable. With i...

Paper 2 is among the most challenging Lang & Lit assignments, but don’t worry, with enough practice and a clear structure in your head, the 2-hour exam can be about you ‘filling in the blanks’. First ...