Question

if p(x y) q(3 4) and r(-5 -6) are collinear then show that 5x= 4y-1​

plz answer fast

r u there in insta

Answer 1

Answer:

See on google

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

Use area of triangle in coordinates

Where in this case ar(ΔPQR)=0

Area of triangle=1/2|x1(y2-y3)+x2(y3-y1)+x3(y1-y2)|

After solving it at last you will be getting

0= 1/2|10x-8y+2|

0=5x-4y+1

5x=4y-1

Hence Proved