Answers

2015-07-22T20:39:51+05:30
Pi is a greek letter (π) which is the ratio of Circumference to the Diameter of the same circle with any radius.Its value is 3.142 or  22÷7.
Expansion of (a+b){2}is 2a+2b
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by the way whats your sweet name brother
Thats a secret !!