x=ay
y=bx .
Find {1/(a+1)}+{1/(b+1)}
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2
so a = x/y
b = y/x
so {1/(x/y +1)} + {1/(y/x +1)}
= y/(x +y) + x/(x +y)
= ( x + y)/( x + y)
= 1
b = y/x
so {1/(x/y +1)} + {1/(y/x +1)}
= y/(x +y) + x/(x +y)
= ( x + y)/( x + y)
= 1
Anonymous:
hope it helps plz mark as best
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one (1) is the answer
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