Question

if points (a,0), (0,b) and (1,1) are collinear then find the value of 1/a+1/b

Answer 1

Answer:

1

Step-by-step explanation:

Given that three points are collinear, (a,o),(o,b) and (1,1)

Since the points are collinear, area of triangle formed by these points is equal to O.

[a[b−1]+0[1−0]+1(0−b)]=0

⇒ab−a−b=0

⇒a+b=ab

∴

a

1

+

b

1

=1

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