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The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be

The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be

Options

(a) 18
(b) 28
(c) 9
(d) 36

Correct Answer:

18

Explanation:

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