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If x=2\ \ and y=4, then (x/y)^(x-y)+\ (...

If `x=2\ \ ` and `y=4,` then `(x/y)^(x-y)+\ (y/x)^(y-x)=`

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`(x/y)^(x-y)+\ (y/x)^(y-x)=`
`(2/4)^(2 – 4) + (4 / 2)^(4 – 2)`
` (1/2)^-2 + 2^2 `
` 2^2 + 2^2 `
` 8`
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