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\left(a^{\frac{1}{x-y}}\right)^{\frac{1}{x-z}} \times\left(a^{\frac{1}{y-z}}\right)^{\frac{1}{y-x}} \times\left(a^{\frac{1}{2-x}}\right)^{\frac{1}{z-y}}=1 |
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Answer» a^(1/(x-y)(x-z))×a^(1/(y-z)(y-x))×a^(1/(z-x)(z-y))=a^(1/(x-y)(x-z) + (y-z)(y-x) + (z-x)(z-y))=a^((y-z-x+z+x-y)/(x-y)(y-z)(x-z))=a^0=1 |
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