If x and y are not both equal to zero 1/x+y = 1/x + 1/y

look at the picture provided below

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True

Step-by-step explanation:

All work is shown and pictured

alright well the answers to your question is

2xy/9 hope this have a nice day : )

step-by-step explanation:

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}