A challenging problem based on the inequality that square of a real number is always greater than equal to zero. Learn the trick and prepare yourself for more challenging problems based on the same ideology.
Solved Problems: Indian Statistical Institute (ISI), Chennai Mathematical Institute (CMI), IIT-JEE Main & Advance, and Olympiads (RMO/INMO). Entrance Exam Solutions: Solved Problems for ISI B.Math/B.Stat, CMI, JEE (IIT), Olympiads, and CBSE/ISC/ICSE Mathematics Board Papers. Practice Problems and Chapter Test on various topics for CBSE, ICSE, Madhyamik, HS and ISC students
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