1.

If (1,5,35),(7,5,5),(1,λ,7) and (2λ,1,2) are coplanar, then the sum of all possible values of λ is :

Answer»

If (1,5,35),(7,5,5),(1,λ,7) and (2λ,1,2) are coplanar, then the sum of all possible values of λ is :



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