Math, asked by ayankhan4616, 10 months ago

say the formula of arithmetic progress class 10



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Answered by bhuwansoni2004
6

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Answered by piyushkumar8462
6
  1. an=a+(n-1)d
  2. d=a2-a1
  3. sn=n/2*2a+(n-1)d
  4. sn=n/2(a+l) (when an is given)
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