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Find the value of `lambda` for which the four points with position vectors `(-hat(j)+hat(k))
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Find the value of `lambda` for which the four points with position vectors `(-hat(j)+hat(k)), (2hat(i)-hat(j)-hat(k)), (hat(i)+lambda hat(j)+hat(k))and (3hat(j)+3hat(k)) ` are coplanar.
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