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Mathematics 21 Online
OpenStudy (anonymous):

1/11^20 - 1/11^21 = ?

rishavraj (rishavraj):

\[(1/11)^{20} - (1/11)^{21}~or~1/(11)^{20} - 1/(11)^{21}\]

OpenStudy (anonymous):

thank you @rishavraj :)

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