Math, asked by amayagogoi822, 1 month ago

if the point P(-1,2) divides internally the line segment joining A(2,5

Answers

Answered by farhanadar453
0

Answer:

i) C(−1,2)=(x,y)

ii) A(2,5)&B(x,y)

iii) m:n=3:4

To Find : Co-ordinates of B.

Solution :-

We know the section formula for internal division

−1=

m+nmx

2

+nx

1

−1=

3+4

(3×x)+(4×2)

−1=

7

3x+8

−7=3x+8

3x=−7−8

3x=−15

x=−5

and,

2=

m+n

my

2

+ny

1

2=

3+4

(3×y)=(4×5)

2=

7

3y+20

14=3y+20

3y=14−20

3y=−6

y=−2

∴B(x,y)≡(−5,−2)

Step-by-step explanation:

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