Posted by Anonymous on Saturday, June 29, 2013 at 1:03am.
1.The point P divides the interval joining A(1,2) to B(9,3) internally in the ratio 4:1. Find the coordinates of P.
2. Solve.
4x/x<1
My answer: x>2

MATH  Steve, Saturday, June 29, 2013 at 4:13pm
P is 1/5 of the way from A to B.
So, add 1/5 of the difference to to get
P = (1 + 1/5 (9+1) , 2 + 1/5 (3+2)) = (1,1)

MATH  Steve, Saturday, June 29, 2013 at 4:14pm
Or, if P is 4/5 of the way, P=(7,2)
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