1.find the ratio in which P(-1,y) divides A (-2,5)and B (4,-6)...plzz do solve this!!!
akshatboy:
hello frnd ,i know the the answer but i dont solve it here comfortabily
y???
can u give you clue to solve it
bcz it need diagrm
wat???
a line
in which i show the co-ordinates
then leave it som1 else will solve it
okk
txs for trying
Answers
Answered by
1
draw a line ab in which co-ordinates of A[-2,5]: B[4,-6]:
p[-1,y] p is any point on ab
let taking ratio as k:1 ,then
now ,by section formula
==> -1=4k-2 ÷ k+1
=> -k-1=4k-2
=> -k-4k=-2+1
=> -5k= -1
=> k=-1÷ [-5]
=> k= 1:5
= > ratio= 5:1
hope it helps you
p[-1,y] p is any point on ab
let taking ratio as k:1 ,then
now ,by section formula
==> -1=4k-2 ÷ k+1
=> -k-1=4k-2
=> -k-4k=-2+1
=> -5k= -1
=> k=-1÷ [-5]
=> k= 1:5
= > ratio= 5:1
hope it helps you
tx a lot
cud u answer the other one also plzz???
wlcm dear
plzzzz????
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