Danman325

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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jimmyrep

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1 + 2010*6 - (1 + 2010*4)
= 2010(6-4) = 4020

jimmyrep

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remember terms of an AS are a,a+d,a+2d.....

jimmyrep

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nth term = a + (n-1)d

jimmyrep

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follow that ok?

Danman325

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ok

jimmyrep

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great

Danman325

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Thanks

jimmyrep

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yw