If ane0, bne0,cne0 " "and " |{:(1+a,1,1)...

If `ane0, bne0,cne0 " "and " |{:(1+a,1,1),(1+b,1+2b,1),(1+c,1+c,1+3c):}|`=0
the value of `|a^(-1)+b^(-1)+c^(-1)|` is equal to

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