The lines r - a - b - c and r - b - c - a will intersect if a - b - c are non-coplanar

The correct option is B a⃗. c⃗=b⃗.c⃗ The lines r = a +λ( b × c #160;) and r = b +μ( c × a #160;) pass through points a and ...

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Point of Intersection of Two Lines

The lines r...

Question

The lines $\to r = \to a + λ (\to b \times \to c)$ and $\to r = \to b + μ (\to c \times \to a)$ will intersect if $(\to a, \to b, \to c$ are non-coplanar $)$

\to a \times \to c = \to b \times \to c

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\to a . \to c = \to b . \to c

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\to b \times \to a = \to c \times \to a

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None of these

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\to a, \to b, \to c

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\to a, \to b, \to c

\to a, \to b, \to c

| (\to a \times \to b) . \to c | = | \to a | | \to b | | \to c |

| \to a + \to b + \to c |^{2} =

\to a, \to b, \to c

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\to c \times \to a = \to b,

\to a, \to b, \to c

\to b \times \to c = \to a, \to c \times \to a = \to b

\to a \times \to b = \to c

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