radomes.openskiesproject.org
MosheBelfield MosheBelfield
  • 16-06-2015
  • Mathematics
Answered

Prove that if a is a natural number, then there exist two unequal natural numbers k and l for which ak − al is divisible by 10.

Verified Answer :

Hippalectryon
Hippalectryon Hippalectryon
  • 16-06-2015

Take \(k=11,l=1\)

\(ak-al=a(k-l)=10\cdot a\)

Answer Link

Related Questions

Daniel is going to melt some wax and pour it into a mold shaped like the cone 6in and 8in
125 invitations to 75 invitation
Which equation demonstrates the distributive property a 15 40 55 b 15 x 40 40 x 15 c 3 85 53 8 d 15 40 53 8
What is thethe proteinassembly factories of the cell are present in prokaryotic cells animal cells and plant cells
While Ralph and Jack are fighting Piggy says to Ralph Remember what we came for The fire My specs Piggy reminds Ralph to protect him because Piggy is extremely
A centroid is defined as while a center of gravity is defined as
Which of the following conclusions can be accurately drawn by analyzing both the Silk Road trade and the African goldsalt trade
Victor drew a quadrilateral with no right angels and 4 sides of equal length What quadrilateral could Victor have drawn
When scanning the front page of a newspaper we often check the
In ΔABC a 2 b 3 and c 4 Find the value of cosC Is the triangle acute right or obtuse