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OpenStudy (anonymous):
What is the common difference of the following arithmetic sequence? 23, 21, 19, 17 A 2 B -2 C 1 D -1
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OpenStudy (anonymous):
-2
OpenStudy (pigrenex):
(23 - 21) = ?
OpenStudy (anonymous):
tn+1 - tn = difference...
OpenStudy (anonymous):
@pigrenex , yours is wrong.. the correct is 2nd term - 1st term >> 21-23 >> equals to -2
OpenStudy (anonymous):
thank youu
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OpenStudy (pigrenex):
thanks @bipulraman for correcting me. I haven't noticed
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