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x-x-r-where-x-0-and-0-lt-r-1-shown-that-for-any-x-y-R-2-x-y-x-y-please-




Question Number 120272 by cantor last updated on 30/Oct/20
ϕ(x)=x^r   where x∈[0,+∞[ and 0<r≤1  shown that for any (x,y)∈R_+ ^2   𝛟(x+y)≤𝛟(x)+𝛟(y)      please
φ(x)=xrwherex[0,+[and0<r1shownthatforany(x,y)R+2φ(x+y)φ(x)+φ(y)please

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