Asked by xyz
If x : y = a : b, prove that
x : y : (x + y) = a : b : (a + b)
x : y : (x + y) = a : b : (a + b)
Answers
Answered by
Steve
x/y = a/b
(x+y)/y = x/y + 1 = a/b + 1 = (a+b)/b
the rest follows
(x+y)/y = x/y + 1 = a/b + 1 = (a+b)/b
the rest follows
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