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0 votes
17.9k views
in Mathematics by (54.8k points)

If the vectors, vector p = (a + 1)i + aj + ak, vector = ai + (a + 1)j + ak and vector r = ai + aj + (a + 1)k (a ∈ R) are coplanar and 3(p.q)2 λ|r x q|2 = 0, then the value of  λ is ———.

2 Answers

+1 vote
by (58.3k points)
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Best answer

= (1/3, 1/3, 1/3)

+1 vote
by (52.5k points)

Vector = (a + 1)i + aj + ak,

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