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For-all-positive-integer-n-f-n-is-defined-as-the-remainder-when-n-is-divided-by-k-where-k-is-an-integer-greater-than-1-f-k-25-3-Quantity-A-k-Quantity-B-5-




Question Number 177621 by aurpeyz last updated on 07/Oct/22
For all positive integer n. f(n) is defined  as the remainder when n is divided by k  where k is an integer greater than 1.   f(k+25)=3  Quantity A: k  Quantity B: 5
Forallpositiveintegern.f(n)isdefinedastheremainderwhennisdividedbykwherekisanintegergreaterthan1.f(k+25)=3QuantityA:kQuantityB:5
Commented by aurpeyz last updated on 07/Oct/22
pls help
plshelp
Answered by Rasheed.Sindhi last updated on 08/Oct/22
k+25≡3(mod k)  k+22≡0(mod k)    k+22=uk;  u∈Z       k(u−1)=22  ∵ k>1    ∴ Possible values for k: 2,11,22  2 is not valid since it doesn′t satisfy  f(k+25)=3  ∴ k=11,22
k+253(modk)k+220(modk)k+22=uk;uZk(u1)=22k>1Possiblevaluesfork:2,11,222isnotvalidsinceitdoesntsatisfyf(k+25)=3k=11,22
Commented by aurpeyz last updated on 09/Oct/22
thanks
thanks

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