Question

URGENT plz help exponents problem!!

Answer 1

If ax^k = x^k+1, and a, k, x are all positive integers greater than 1, what is the value of (a-x/k)?

Answer 2

is the k+1 in exponent or just k ?

Answer 3

\[a x^k = x^k+1 \]

Answer 4

@Nfreeman
just k is the exponent of x

Answer 5

what is the value of \[\frac{ a-x }{ k }\]

Answer 6

\[x^{k}(a-1)=1\]

Answer 7

\[x ^{k}=\frac{ 1 }{ a-1 }\]

Answer 8

\[k \ln x = -\ln (a-1)\]

Answer 9

not really any progress so far, let me rethink about this

Answer 10

wait a second, a,k,x are elements of Z+ and greater than 1

Answer 11

hi @caozeyuan thanks for your help! the answer is x=2 but I don't know how to get there

Answer 12

do you mean (a-x)/k is 2?

Answer 13

yes, sorry the value of (a-x)/k is 2

Answer 14

@ mathmale, can you take a look, my brain is not strong enough to deal with this question

Answer 15

@mathmale