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Statement I: The points (a,0),(0,b) and ...

Statement I: The points (a,0),(0,b) and (1,1) will be collinear if `1/a+1/b=1`
Statement II: If `4a^(2)+9b^(2)-c^(2)+12ab=0`, then the family of lines `ax+by+c=0` is either concurrent at (2,3) or at (-2,-3). Then which of the followng is true

A

only I

B

onlyII

C

both I and Ii

D

neither I nor II

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-STRAIGHT LINES-PRACTICE EXERCISE
  1. The area of the figure formed by the lines x+-y+-a=0 is

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  2. The number of lines that can be drawn through the point (5,2) at a dis...

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  3. Statement I: The points (a,0),(0,b) and (1,1) will be collinear if 1/a...

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  4. Write the ascending order of areas of the triangles formed with coordi...

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  5. Observe the following list with respect to the line ax+by+c=0 Th...

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  6. The equation of the line perpendicular to the line 2x+3y-4=0 and passi...

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  7. If a straight line L is perpendicular to the line 4x-2y=1 and forms a ...

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  8. A straight line which makes equal intercepts on positive X and Y axes ...

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  9. Normal form of the line x-y+sqrt(2)=0 is

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  10. The equation of the line passing through (2, 2) and having intercepts ...

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  11. The perpendicular bisector of the line segment joining P(1, 4) and Q(k...

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  12. The equation of the line passing through the point P(1, 2) such that P...

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  13. The line joining two points A(2,0),B(3,1) is rotated about A in anti c...

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  14. A square of side "a" lies above the x-axis and has one vertex at the o...

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  15. The line L given by x/5+y/b=1 passes through the point (13,32). The li...

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  16. If the line 2x+y=k passes through the point which divides the line seg...

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  17. The line parallel to the x-xis and passing through the intersection of...

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  18. The equation of the line passing through (1,1) and makes an angle pi//...

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  19. Let P(-1,0), Q(0,0) and R(3,3sqrt(3)) be three points. The equation of...

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  20. If (a,a^(2)) falls inside the angle made of the lines y=x/2,xgt0 and y...

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