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The sum of 4th and 8th …

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The sum of 4th and 8th terms of an A.P is 24 and the sum of 6th and the 10th terms is 34. Find the first 4 terms and the 20th term of an A.P
  • 3 answers

Shatayu Ganvir 6 years, 2 months ago

Ap= -1/2,2,9/2,7. A20= 47.

Mini Sharma 6 years, 2 months ago

a=-1/2 &D=5/2

Mini Sharma 6 years, 2 months ago

T20=47
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