Cambridge OLevel Additional Mathematics revision notes & Solutions

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Lesson

Lesson-3.1.3- use substitution to form and solve a quadratic equation in order to solve a related equation.

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Lesson-3.1.2- solve graphically or algebraically inequalities of the type |ax + b| > c (c ??? 0), |ax + b| ??? c (c > 0) and |ax + b| ??? |cx + d|Previous Lesson-3.1.4- sketch the graphs of cubic polynomials and their moduli, when given in factorised form y = k(x ??? a)(x ??? b)(x ??? c).Next