Given that A (3, 2, –4), B (5, 4, –6) and C (9, 8, –10) are collinear. The ratio in which B divides AC
Answer & explanation
Correct answer: option 1
$\frac{9 \lambda+3}{\lambda+1}=5 \Rightarrow 9 \alpha-5 \alpha=2$
$\Rightarrow \lambda=\frac{1}{2}$
Given that A (3, 2, –4), B (5, 4, –6) and C (9, 8, –10) are collinear. The ratio in which B divides AC
Correct answer: option 1
$\frac{9 \lambda+3}{\lambda+1}=5 \Rightarrow 9 \alpha-5 \alpha=2$
$\Rightarrow \lambda=\frac{1}{2}$