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Posted by on Tuesday, January 29, 2013 at 6:27pm.

be found arithmetic series
3a2-a6=-a2
a3+a4=19

  • math - , Tuesday, January 29, 2013 at 6:31pm

    an=ao +n*d

    a2=ao+2d
    a6=ao+6d
    a3=ao+3d
    a4=ao+3d

    substutite all those, and find ao, and d.

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