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Question: সরল কর x-1y.y-1z.z-1x, (x>0,y>0,z>0) 

Answer সমাধান: x-1y.y-1z.z-1x =(x-1y)12(y-1z)12(z-1x)12 =(x-1y.y-1z.z-1x)12 =(x-1+1.y1-1.z1-1)12 =(x0.y0.z0)12 =(1×1×1)12 =1 Ans.বিকল্প সমাধান: x-1y.y-1z.z-1x =1x.y1y.z1z.x =yx.zy.xz =yx.zy.xz =1 Ans. 

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shorol kar x-1y.y-1z.z-1x, (x>0,y>0,z>0)
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