When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...
CBSE class 10 Math exam approaching. Deleted topics: Euclid's division lemma, decimal representation of rational numbers, division algorithm for polynomials, equations reducible to linear equations, ...
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