Question

The co-ordinate of the point which divideds the line joining the points A (-7,1)& B (3,6) externally in the ratio 3:2 is

Answer 1

Answer:

The given points are A=(x

1

,y

1

)(−3,3)=,B=(x

2

,y

2

)=(2,−7)

Now, R=(X,Y) divides the line segment AB internally in the ratio m:n=2:3.

We know X=

m+n

mx

2

+nx

1

and Y=

m+n

my

2

+ny

1

∴X=

2+3

2×2+3×(−3)

=−

5

5

=−1 and Y=

2+3

2×(−7)+3×3

=−

5

5

=−1

∴(X,Y)=(−1,−1)

Answer 2

Answer:

by using the formula externally

Step-by-step explanation: