Beauty of Mathematics

### Author Topic: Beauty of Mathematics  (Read 1294 times)

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##### Beauty of Mathematics
« on: July 25, 2013, 12:45:16 PM »
Sequential Inputs of numbers with 8
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

Sequential 1's with 9
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

Sequential 8's with 9
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

Numeric Palindrome with 1's
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

Without 8
12345679 x 9 = 111111111
12345679 x 18 = 222222222
12345679 x 27 = 333333333
12345679 x 36 = 444444444
12345679 x 45 = 555555555
12345679 x 54 = 666666666
12345679 x 63 = 777777777
12345679 x 72 = 888888888
12345679 x 81 = 999999999

Sequential Inputs of 9
9 x 9 = 81
99 x 99 = 9801
999 x 999 = 998001
9999 x 9999 = 99980001
99999 x 99999 = 9999800001
999999 x 999999 = 999998000001
9999999 x 9999999 = 99999980000001
99999999 x 99999999 = 9999999800000001
999999999 x 999999999 = 999999998000000001
......................................

Sequential Inputs of 6
6 x 7 = 42
66 x 67 = 4422
666 x 667 = 444222
6666 x 6667 = 44442222
66666 x 66667 = 4444422222
666666 x 666667 = 444444222222
6666666 x 6666667 = 44444442222222
66666666 x 66666667 = 4444444422222222
666666666 x 666666667 = 444444444222222222

#### Mosammat Arifa Akter

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##### Re: Beauty of Mathematics
« Reply #1 on: November 22, 2015, 10:21:37 PM »
Very interesting..
Mosammat Arifa Akter
Senior Lecturer(Mathematics)
General Educational Development
Daffodil International University

#### sisyphus

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##### Re: Beauty of Mathematics
« Reply #2 on: November 23, 2015, 01:00:20 PM »
Yeah..a yet another reminder of the beauty of maths..btw loved those pyramids!
Mr. Rafi Al Mahmud
Sr. Lecturer
Department of Development Studies
Daffodil International University

#### sayma

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##### Re: Beauty of Mathematics
« Reply #3 on: December 10, 2015, 12:36:22 PM »
interesting!

#### Nargis Akter

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##### Re: Beauty of Mathematics
« Reply #4 on: May 14, 2016, 02:21:34 PM »
wow. Interesting maths.

#### naser.te

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##### Re: Beauty of Mathematics
« Reply #5 on: October 30, 2016, 07:43:35 AM »
Interesting.
Abu Naser Md. Ahsanul Haque
Assistant Professor
TE, DIU

#### khyrul

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##### Re: Beauty of Mathematics
« Reply #6 on: October 30, 2016, 02:29:45 PM »
interesting post.

#### Anuz

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##### Re: Beauty of Mathematics
« Reply #7 on: October 30, 2016, 06:33:18 PM »
Really interesting.......
Anuz Kumar Chakrabarty
Assistant Professor
Department of General Educational Development
Faculty of Science and Information Technology
Daffodil International University

#### smriti.te

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##### Re: Beauty of Mathematics
« Reply #8 on: November 22, 2016, 12:31:22 AM »
Very interesting....