Chapter-5 ARTHIMETIC PROGRESSIONS

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Across
  1. 2. Adding all terms of AP =
  2. 4. d = a2-a1 is called ___
  3. 6. Sum of first n terms = n/2[2a+(n-1)d]
  4. 7. 5,8,11,14 has *_ difference
Down
  1. 1. a+(n-1)d gives
  2. 3. 'a' in an AP is
  3. 5. AP with limited terms is *_
  4. 6. 2,4,6,8... is an