MathematicsMedium249×since 2002Q2581If (1, 5, 35), (7, 5, 5), (1, λ\lambdaλ, 7) and (2λ\lambdaλ, 1, 2) are coplanar, then the sum of all possible values of λ\lambdaλ is :A−445- {{44} \over 5}−544B−395- {{39} \over 5}−539C445{{44} \over 5}544D395{{39} \over 5}539Check answerSkip