If the vectors \(2\hat i - \hat j + \hat k,\;3\hat i + p\hat k\;and\; – McqOptions

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1.	If the vectors \(2\hat i - \hat j + \hat k,\;3\hat i + p\hat k\;and\;4\hat j - 5\hat k\) are coplanar then value of p is ?
A.	2
B.	3/8
C.	- 3/8
D.	- 2
Answer» D. - 2

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