1.

Prove that(i) x-1y·y-1z·z-1x=1.(ii) x1a-b1a-c·x1b-c1b-a·x1c-a1c-b=1(iii) xab-cxba-c÷xbxac=1(iv) xa+b2 xb+c2 xc+a2xaxbxc4=1

Answer» Prove that



(i) x-1y·y-1z·z-1x=1.



(ii) x1a-b1a-c·x1b-c1b-a·x1c-a1c-b=1



(iii) xab-cxba-c÷xbxac=1



(iv) xa+b2 xb+c2 xc+a2xaxbxc4=1


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