If the volume of parallelopiped with cot...

If the volume of parallelopiped with coterminus edges `-poverset(^)i+5k,overset(^)i-overset(^)j+qoverset(^)k and 3overset(^)i-5overset(^)j` is 8 then

`5pq+18=0`

`3pq-18=0`

`pq+18=0`

`pq-18=0`

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