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evablogger [386]
4 years ago
7

The area (

Mathematics
1 answer:
stira [4]4 years ago
4 0
Hello : 
f(r) = πr².... r  <span> <span>><span>  0
</span></span></span>the domain is : <span>] 0; + ∞[<span> </span></span> 
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