This Registry database contains ONLY .EDU domains. The data in the EDUCAUSE Whois database is provided by EDUCAUSE for information purposes in order to assist in the process of obtaining information about or related to .edu domain registration records. The EDUCAUSE Whois database is authoritative for the .EDU domain. A Web interface for the .EDU EDUCAUSE Whois Server is available at: http://whois.educause.edu By submitting a Whois query, you agree that this information will not be used to allow, enable, or otherwise support the transmission of unsolicited commercial advertising or solicitations via e-mail. The use of electronic processes to harvest information from this server is generally prohibited except as reasonably necessary to register or modify .edu domain names. ------------------------------------------------------------- Domain Name: TORONTO.EDU Registrant: University of Toronto 10 King's College Road, Suite 3302 Toronto, ON M5S 3G4 Canada Administrative Contact: John DiMarco University of Toronto Computer Science Dept. 10 King's College Road, #3302 Toronto, ON M5S 3G4 Canada +1.4169785300 [email protected] Technical Contact: Jaro Pristupa University of Toronto Electrical Engineering Dept. 10 King's College Road Toronto, ON M5S 3G4 Canada +1.4169783278 [email protected] Name Servers: NS2.D-ZONE.CA NS1.D-ZONE.CA Domain record activated: 08-May-1986 Domain record last updated: 03-Jun-2024 Domain expires: 31-Jul-2027
4 нояб. 1997 г. — The tetrahedronal numbers: 1 , 4 , 10 , 20 , 35 , . . . are derived by adding the triangular numbers: 1 + 3 + 6 + 10 + 15 + · · · + (n)(n+1)/2.
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26 мая 1998 г. — In this case, sqrt(a/b) = sqrt(a) / sqrt(b ) is always true, and you were probably taught it as a "rule". But it is only a mathematical truth in ...
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/mathnet/plain/false...
26 мая 1998 г. — So, when you square sqrt (a/ b ), you will get a/ b , and when you square sqrt (a)/ sqrt ( b ), you will also get a/ b . That's all that the definition of ...
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Question Corner and Discussion Area. The Sum of the Geometric Series 1 + 1 / 2 + 1 / 4 + · · ·. ... Krishna. The reason an infinite sum like 1 + 1 / 2 + 1 / 4 + · · · can have a definite value is that one is really looking at the sequence of numbers.
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