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Question

If xy=z,yz=x and zx=y, then Find xyz

A
2
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B
1
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C
4
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D
3
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Solution

The correct option is B 1
xy=z,yz=x and zx=y
Put x=yz in (xy=z)
yzy=z,
Now put y=zx
zxyz=z xyz=1
Hence only one value of (x,y,z) is possible.

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