Difference between revisions of "Maths: From the forum"
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'''Sriranjani Ranganathan, IT for Change''' | '''Sriranjani Ranganathan, IT for Change''' | ||
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'''Teachers Response''' | '''Teachers Response''' | ||
Revision as of 06:38, 8 January 2013
Which day is Pi Day ?
Mary Shyla, GMPS Begur Which day is Pi Day ?
Sneha Titus, University Resource Centre, Azim Premji University March 14 is called Pi Day (3-14) The date is in American format For more information you could check out [[1]] Incidentally June 28 (6-28) is called 2 pi day!
Sriranjani Ranganathan, IT for Change
Teachers Response Let a=x
a+a=a+x
2a-2x = a+x-2x
2(a-x)= a-x divide bothsides by a-x
2=1
Bindu Thirumalai IT for Change You have said that let a=x in step 1. Therefore this step 2(a-x)= a-x divide both sides by a-x is not possible because a-x = 0 and you cannot divide by zero, its undefined.