emphasis,
example
clarification
time
summary
sequence
comparison
addition
2. "Today, we celebrate the fact that this historic document has survived a turbulent five decades, which have seen some of the most extraordinary developments in the evolution of human society. These include the collapse of the colonial system, the passing of a bipolar world, breath-taking advances in science and technology and the entrenchment of the complex process of globalization." -(ADDRESS TO THE UNITED NATIONS GENERAL ASSEMBLY, NEW YORK, USA, 21 SEPTEMBER 1990)
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Answers & Comments
A perfect square trinomial has first and last
terms which are perfect square.