The Twins of ...(1+Sq2)^501...

來源: jinjing 於 2011-01-04 18:54:03 [] [舊帖] [給我悄悄話] 閱讀數 : (336 bytes)

1. What is the 99th digit to the right of the decimal point in the decimal expansion of (1+√2) to the power 501? (Calculator not required.) (In case this isn't displayed correctly by your browser, the expression is (1+sqrt(2))^501, where sqrt(2) means the positive square root of 2.

 

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• some comments -calligraphy- ♂ 給 calligraphy 發送悄悄話 (1893 bytes) () 01/09/2011 postreply 06:44:33

• Thanks,your Method is right for tutoring your son.I think, -jinjing- ♀ 給 jinjing 發送悄悄話 (207 bytes) () 01/09/2011 postreply 09:57:44

• 回複：Thanks,your Method is right for tutoring your son.I think, -calligraphy- ♂ 給 calligraphy 發送悄悄話 (409 bytes) () 01/09/2011 postreply 16:32:52

• You can read "BOROTHER' 1/4 answer,but -jinjing- ♀ 給 jinjing 發送悄悄話 (98 bytes) () 01/09/2011 postreply 10:14:14

• 回複：You can read "BOROTHER' 1/4 answer,but -calligraphy- ♂ 給 calligraphy 發送悄悄話 (261 bytes) () 01/09/2011 postreply 15:56:51

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