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It is given that a,b,c are positive values. 1) show that (a+b+c)((1/a)+(1/b)+(1/c)) >= 9
2) If a+b+c=1 , show that (2-a),(2-b),(2-c) are positive
3) Using above results show that [(a/(2-a)) + (b/(2-b)) + (c/(2-c)) ] >= 3/5
I need help with 3rd part