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Question Number 164623 by mathocean1 last updated on 19/Jan/22
Given a, b ∈ R.  Show that :  [a]+[b]≤[a+b]≤[a]+[b]+1
Givena,bR.Showthat:[a]+[b][a+b][a]+[b]+1
Answered by mahdipoor last updated on 19/Jan/22
[b]≤b<[b]+1⇒a+[b]≤a+b<a+[b]+1⇒  [a+[b]]≤[a+b]≤[a+[b]+1]⇒  [a]+[b]≤[a+b]≤[a]+[b]+1
[b]b<[b]+1a+[b]a+b<a+[b]+1[a+[b]][a+b][a+[b]+1][a]+[b][a+b][a]+[b]+1
Commented by mathocean1 last updated on 19/Jan/22
thanks
thanks

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