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Three numbers in AP have sum 15 and product 80. Find them.

Class 10Properties and Selection of AP TermsAlgebra — Sequences
  • A1, 5, 9
  • B4, 5, 6
  • C2, 5, 8
  • D3, 5, 7

Step-by-Step Solution

Take , a, gives . Product , so = ±3: the numbers are 2, 5, 8. The other options add to 15 but have products 45, 105 and 120.
Answer: C) 2, 5, 8

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