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Danman325

  • 3 years ago

Given arithmetic sequences A and B shown, what is the positive difference between the 2011th term of sequence A and the 2011th term of sequence B? Sequence A: 1, 5, 9, 13, . . . Sequence B: 1, 7, 13, 19, . . .

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  1. jimmyrep
    • 3 years ago
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    1 + 2010*6 - (1 + 2010*4) = 2010(6-4) = 4020

  2. jimmyrep
    • 3 years ago
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    remember terms of an AS are a,a+d,a+2d.....

  3. jimmyrep
    • 3 years ago
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    nth term = a + (n-1)d

  4. jimmyrep
    • 3 years ago
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    follow that ok?

  5. Danman325
    • 3 years ago
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    ok

  6. jimmyrep
    • 3 years ago
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    great

  7. Danman325
    • 3 years ago
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    Thanks

  8. jimmyrep
    • 3 years ago
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    yw

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