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OpenStudy (anonymous):
simplify 49 ^-1/2 1/7 -1/7 7 -7
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OpenStudy (angela210793):
=1/49^1/2=1/sqr49=1/7 but can also b -1/7
OpenStudy (anonymous):
so which one do i choose?
OpenStudy (anonymous):
49^(-1/2) = 1/sqrt{49} = 1/7
OpenStudy (angela210793):
hmmmmm 1/7 i'd say....u see 4 example sqr4=+-2
OpenStudy (anonymous):
yes
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