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If x^(y)=y^(x) then (dy)/(dx)=... (A) (x...

If `x^(y)=y^(x)` then `(dy)/(dx)=`... `(A) (x(x log y-y))/(y(y log x-x)) (B) (y(y log x-x))/(x(x log y-y)) (C) (y^(2)(1-log x))/(x^(2)(1-log y)) (D) (y(1-log x))/(x(1-log y)) `

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