if the point (a,0),(b,0),and (1,1)are collinear then 1/a+1/b=1
(a) 0 (b) 1(c)-1 (d) 2
Answers
Answered by
9
Answer:
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
Step-by-step explanation:
Similar questions