alleryStart learning →The plane containing two coplanar lines r = a1 + λb1 and r = a2 + μb2 has a normal along
Aa1 + a2
Bb1 + b2
Ca2 - a1
Db1 × b2
Answer & Solution
Correct answer: D. b1 × b2
The plane contains both directions, so its normal is perpendicular to both, namely b1 × b2.
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