Question

If the point M (3/4,5/12) divides the line segment joining points A( 1/2,3/2)and B (2,-5) in the
ratio a : b (where a and b arc co-prime), then find the value of a + b.​

Answer 1

Answer:

10th

Maths

Coordinate Geometry

Section Formula

In what ratio does the poin...

MATHS

avatar

Asked on December 26, 2019 by

Tanya Har

In what ratio does the point P(-2, 3) divide the line segment joining the points A(-3, 5) and B(4, -9) internally?

MEDIUM

Help best friend

Study later

ANSWER

Let the ratio be k:1

Substituting (x

1

,y

1

)=(−3,5) and (x

2

,y

2

)=(4,−9) in the

section formula, we get (

k+1

k(4)+1(−3)

,

k+1

k(−9)+1(5)

)=(−2,3)

(

k+1

4k−3

,

k+1

−9k+5

)=(−2,3)

Comparing the x - coordinate,

=>

k+1

4k−3

=−2

=>4k−3=−2k−2

6k=1

k=

6

1