When positive integer a, which has n digits, is multiplied by (n 2), the product is a number with (n 1) digits, all of whose dig

Question

topjm [15]

4 years ago

8

When positive integer a, which has n digits, is multiplied by (n 2), the product is a number with (n 1) digits, all of whose dig

its are (n 1). how many instances of a exist?

Mathematics

1 answer:

ahrayia [7] · Answer 1 · 2021-11-30T01:42:16+03:00

ahrayia [7]4 years ago

6 0

Instead use WolframAlpha.com for math questions I would paste the answer but a cretinous fop has "disabled" that feature by javascript -- which is trivial to circumvent but I won't bother with the time.