# I dont know how to do this

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#1
The Question is
Show that 206 can be written as a the sum of power af five and a square number
PLZ help me
0
3 weeks ago
#2
(Original post by Deathstalkenb20)
The Question is
Show that 206 can be written as a the sum of power af five and a square number
PLZ help me
You must know what
5^1, 5^2, 5^3, 5^4, ...
are? So try subtracting them from 206 and see if the remainder is a square number.
1
3 weeks ago
#3
(Original post by Deathstalkenb20)
The Question is
Show that 206 can be written as a the sum of power af five and a square number
PLZ help me
As suggested, just take off a few powers of 5 and see what's left - there aren't that many powers of 5 under 206
0
3 weeks ago
#4
5^3 + 81
0
3 weeks ago
#5
(Original post by bhalla_shilpa)
solution
Not supposed to give full solutions
Last edited by Theloniouss; 3 weeks ago
0
3 weeks ago
#6
(Original post by bhalla_shilpa)
Please don't post the answer - it's against the rules of the forum
0
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