1.

A line segmentPQ has the length 63 and d.rs (3, -2, 6). If the line makes obtuse angle with X-axis, then components of vector bar(PQ) are

Answer»

`-27, -18, -54`
`-27, 18, 54`
`7, 8, -4`
`-7, 8, -4`

ANSWER :A


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