bronterali bronterali
  • 02-09-2018
  • Mathematics
contestada

nh term to 25 20 15 10 5

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konrad509
konrad509 konrad509
  • 02-09-2018

[tex] a_n=a_1+(n-1)d\\\\ a_1=25\\ d=-5\\\\ a_n=25+(n-1)\cdot(-5)\\ a_n=25-5n+5\\ \boxed{a_n=-5n+30} [/tex]

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