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Mathematics 8 Online
OpenStudy (anonymous):

.

hartnn (hartnn):

can u see any common difference between the terms ?

OpenStudy (anonymous):

they are in ap and the common difference is -7

OpenStudy (anonymous):

So it is D, 3?

hartnn (hartnn):

yup, but did u get how ?

OpenStudy (anonymous):

Yes. Thank you.

hartnn (hartnn):

welcome :)

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