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Find the sum of 8 multiples …

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Find the sum of 8 multiples of 3
  • 1 answers

Azem Iqbal 6 years, 10 months ago

The AP will form 3,6,9,12,15,18,21,24 A=3 d=6-3=3 an=24 S8=n÷2(a + an ) =8÷2(3+24) =4(27) =108
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