If \( (1,5,35),(7,5,5),(1, \lambda, 7),(2 \lambda, 1,2) \) are
P co...
If \( (1,5,35),(7,5,5),(1, \lambda, 7),(2 \lambda, 1,2) \) are
P coplanar, then the sum of all possible values of \( \lambda \) is:
W
(1) \( -\frac{44}{5} \)
(2) \( -\frac{39}{5} \)
(3) \( \frac{44}{5} \)
(4) \( \frac{39}{5} \)
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