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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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Answer» Prove that (i) . (ii) (iii) (iv) |
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