If the straight lines 2x + 3y - 1 = 0, x + 2y - 1 = 0 and ax + by - 1 = 0 form a triangle with origin as orthocentre, then (a, b) is given by:

Question

If the straight lines $2 x + 3 y - 1 = 0$ , $x + 2 y - 1 = 0$ and $a x + b y - 1 = 0$ form a triangle with origin as orthocentre, then $(a, b)$ is given by

Smart Achievers · Accepted Answer

(3)

Solution

Q.
If the straight lines $2 x + 3 y - 1 = 0$ , $x + 2 y - 1 = 0$ and $a x + b y - 1 = 0$ form a triangle with origin as orthocentre, then $(a, b)$ is given by

1 $(6, 4)$

2 $(- 3, 3)$

3 $(- 8, 8)$

4 $(0, 7)$

Ans.
(3)

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Solution

Q. If the straight lines 2x+3y-1=0, x+2y-1=0 and ax+by-1=0 form a triangle with origin as orthocentre, then (a,b) is given by

1 (6, 4)

2 (-3, 3)

3 (-8, 8)

4 (0, 7)

Ans. (3)

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Q.
If the straight lines $2 x + 3 y - 1 = 0$ , $x + 2 y - 1 = 0$ and $a x + b y - 1 = 0$ form a triangle with origin as orthocentre, then $(a, b)$ is given by

1 $(6, 4)$

2 $(- 3, 3)$

3 $(- 8, 8)$

4 $(0, 7)$

Ans.
(3)