The ratio in which yz–plane divides the line joining (2, 4, 5) and (3, 5, 7)
Answer & explanation
Correct answer: option 1
Let the ratio be λ : 1
x-coordinate is $\frac{3 \lambda+2}{\lambda+1}=0 \Rightarrow \lambda=-2 / 3$
Hence (1) is the correct answer.