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Mathematics 18 Online
OpenStudy (anonymous):

uploaded

OpenStudy (anonymous):

OpenStudy (anonymous):

\[a_2=2\times a_1-5=2\times 6-5=12-5=7\] \[a_3=2\times 7-5=9\] ect

OpenStudy (anonymous):

or etc as the case may be

OpenStudy (anonymous):

When n=2, a2=2a1-5=12-5=7 Similarly a3=9 and a4=13

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