Founder of Perfect Solution Education Group and Singapore Mathematics Specialist, Mr Jackie Lee, guides you on to take note of important things and avoid making common exam mistakes during JC H2 Maths topic of Inequalities!
Avoid cross multiplying in certain algebra questions because the denominators may be negative or positive, instead practice shifting! Although there are additional steps in Mr Jackie Lee's trick, it will help to make the answer clearer even though the steps are outside the marking scheme.
Perfect Solution Education Group achieves an excellent track record of teaching and conducting online tuition for mathematics in Singapore. Mr Jackie Lee, a knowledgeable and dedicated mathematics educator with 20+ years of experience, is the mastermind behind the iconic learning center since 2011. He has helped many thousands of students understand key concepts and make solving difficult maths exam questions easier.
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