What is a paradox in mathematics, why they are important in mathematics?
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Janaka RodrigoLevel 2
What is the history of times table, why it is important in mathematics and what are the patterns you can find in times table ?
raveenBegginer ( Level 6 )
This is quoted from a English medium book. This shows the definition of rational numbers. Is this ...
What are divisors, are they same as factors and are there negative factors of a given positive integer?
මල්ලක අමු කෙසෙල් ගෙඩි 4ක්ද ඉදුනු කෙසෙල් ගෙඩි 3ක් ද ඇත. ළමයෙක් අහබු ලෙස ඉන් ගෙඩියක් ගෙන එය අමු එකක් නම් ආපසු දමා තවත් වරක් ගෙඩියක් ගනී. පළමුව ගත් ගෙඩිය ඉදුනු එකක් නම් එය ආපසු නොදමා තවත් ගෙඩියක් ගනී. 1) ...
Janaka RodrigoLevel 2
There was an Olympiad question of evaluating the sum arccot(2) + arccot(3) by geometrical approach. My issue is how can you use only one figure to evaluate sum of infinite series of angles arccot(3) + arccot(7) + arccot(13)+….and show that ...
Usually we prove results related to powers of sums algebraically. How can you illustrate geometrically powers of sums basically for powers 1,2,3 ?