shantidelabasti3416 shantidelabasti3416
  • 28-12-2017
  • Mathematics
contestada

Find the first two terms of an arithmetic sequence are 5 and 7 what is the explicit formula for the sequence

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anchitthawi
anchitthawi anchitthawi
  • 03-01-2018
d=2
so
an=a1+(n-1)d
=5+(n-1)2
=5+2n-2
=3+2n
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