𝒑𝒈 𝟏𝟔
𝑟𝑎𝑡𝑖𝑜, ƛ =
𝑚
𝑛
𝒑𝒈 𝟏𝟔 − 𝟏𝟖
𝒑𝒈 𝟏𝟕 − 𝟏𝟖
𝑟𝑎𝑡𝑖𝑜, ƛ =
𝑚
𝑛
1
1
𝒑𝒈 𝟏𝟕
1
1
2
𝑟𝑎𝑡𝑖𝑜, ƛ =
𝑚
𝑛
𝒑𝒈 𝟐𝟎
𝒑𝒈 𝟏𝟗
𝑟𝑎𝑡𝑖𝑜, ƛ =
𝑚
𝑛
=
2
1
2
1
𝑟𝑎𝑡𝑖𝑜, ƛ = −2
𝒑𝒈 𝟏𝟗 − 𝟐𝟎
𝒑𝒈 𝟐𝟎
𝒑𝒈 𝟐𝟏
𝒑𝒈 𝟐𝟏

SUEC 高中 Adv Maths (Line Segment)

Editor's Notes

  • #2 https://www.onlinemathlearning.com/line-segment.html
  • #3 https://brilliant.org/wiki/section-formula/
  • #6 2. The three points P, Q, and R are the three quarter points on the line segment AB, respectively, and find the value of the ratio λ between them divided into AB.
  • #10 https://www.allmath.com/points-coordinates.php 4. ratio = 2:1 5. ratio = 2:3
  • #11 7. lambda = - 2
  • #12 13. lambda = - 3/2 14. (b) y = 0 15. D = (x1 + l/k x2)/1+(l/k) 16. m=n=1