2^(2^n)=O(2^n). Is it true or false?
Thanks in advance
Do you think it's true or false? What have you trieed to prove or disprove it? What's the definition of big-Oh - how would
2^(2^n) need to relate to
2^(2^n) to be in
First of all, let g and f be two given functions :
f(x)belongs to O(g(x)) iff: there is some c of R+ such that:
f(x)<= c*(g(x)) . . .(1)
Thus, from (1) we can conclude that 2^(n)<= 2^(2^n) where c=1,
Then, 2^(n) belongs to O(2^(2^n)).
Interesting how can this algoritm being used in computer science
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