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Products in A.P. (Posted on 2013-02-01) Difficulty: 3 of 5

No Solution Yet Submitted by brianjn    
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re(5): questions, possible solution to 2 digit multiplicand Comment 6 of 6 |
(In reply to re(4): questions, possible solution to 2 digit multiplicand by Dej Mar)

I am impressed with this latter response. The 2 digit multiplicand and its multiplier have no repeat digits and the product increments by 4.

In the second offer your AP increment is 5 but I must point out that in the third your 4th term [114 is the product of 4*28.5].

There is just one other thing, I asked for a sequence having the lowest initial multiplicand.
 
I do have a 6 term series where 20 is the lowest multiplicand.



[As an aside I see that with collaboration it might have been possible to generate a short series around the basic concepts here.]

  Posted by brianjn on 2013-02-04 01:56:08

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