Birth Day of Srinivasa Ramanujam

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khansaheb

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National Mathematics Day
( i.e. Birth Day of Srinivasa Ramanujam )

See This Absolutely Amazing Mathematics Noted By Great Mathematician *रामानुजम*
1 x 8 + 1 = 9
12 x 8 + 2 = 98
123 x 8 + 3 = 987
1234 x 8 + 4 = 9876
12345 x 8 + 5 = 98765
123456 x 8 + 6 = 987654
1234567 x 8 + 7 = 9876543
12345678 x 8 + 8 = 98765432
123456789 x 8 + 9 = 987654321

1 x 9 + 2 = 11
12 x 9 + 3 = 111
123 x 9 + 4 = 1111
1234 x 9 + 5 = 11111
12345 x 9 + 6 = 111111
123456 x 9 + 7 = 1111111
1234567 x 9 + 8 = 11111111
12345678 x 9 + 9 = 111111111
123456789 x 9 +10= 1111111111

9 x 9 + 7 = 88
98 x 9 + 6 = 888
987 x 9 + 5 = 8888
9876 x 9 + 4 = 88888
98765 x 9 + 3 = 888888
987654 x 9 + 2 = 8888888
9876543 x 9 + 1 = 88888888
98765432 x 9 + 0 = 888888888

And Look At This Symmetry :

1 x 1 = 1
11 x 11 = 121
111 x 111 = 12321
1111 x 1111 = 1234321
11111 x 11111 = 123454321
111111 x 111111 = 12345654321
1111111 x 1111111 = 1234567654321
11111111 x 11111111 = 123456787654321
111111111 x 111111111 = 12345678987654321
 
Ummm, his birthday was on December 22, 1887. Not in October! (Unless "Ramanujam is not a typo for Ramanujan? Though, knowing translations to English from Asian countries, both spellings might be right!)

-Dan
 
topsquark said:
Ummm, his birthday was on December 22, 1887. Not in October! (Unless "Ramanujam is not a typo for Ramanujan? Though, knowing translations to English from Asian countries, both spellings might be right!)

-Dan
Click to expand...
You are correct - his birthday was December 22 - but that falls in the time-period when schools are out. So most of the schools celebrate the birthday around this time so that students can be properly tortured (through riddles and such ) in the name of Ramanujam.
 
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