If points (a,0),(0,b)and(1,1) are coliner find the value of 1\a+1\b?
Answers
Answered by
0
Answer:
Step-by-step explanation:
use area of triangle form by these three points is equal to zero
area of t triangle=1/2 {a (b-1)+0+1 (0-b)}
0=ab-a-b
a+b=ab
divide both side by ab
a/ab+b/ab=ab/ab
1/b+1/a=1
hence
1/a+1/b=1
Similar questions