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becoolja
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How many planes contain both point P and line l ? (1) Point 22 May 2004, 07:52
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How many planes contain both point P and line l ?

(1) Point P is not on line l
(2) Point P is on line m and line m intersects line l



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How many planes contain both point P and line l ? (1) Point 22 May 2004, 07:59
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not sure but i will go for (b)

In case of 1, we may have the same plane or 2 different planes.

In case of 2, two intersecting lines will be in the same plane.

cheers
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hallelujah1234
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How many planes contain both point P and line l ? (1) Point 22 May 2004, 15:20
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(1) any two points on line L and P are not collinear, hence coplanar.
(2) Point P can the point of intersection of Lines L and M, in which case P and any two points on L, or on M, are collinear. Insufficient

A it is.
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How many planes contain both point P and line l ? (1) Point 22 May 2004, 21:46
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Anybody else has any comments on this question?

TIA
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Dharmin
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How many planes contain both point P and line l ? (1) Point 23 May 2004, 01:14
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becoolja
How many planes contain both point P and line l ?

(1) Point P is not on line l
(2) Point P is on line m and line m intersects line l
Show more

(1) A line and a point - not on the line will define a plane, So (1) is sufficient to answer the question,
Quote:
How many planes contain both point P and line l ?
Show more
: One Plane
(2) if point - P on line :m is an intersection point of line L and line M, the condition holds no good, there can be infinite no of planes passing through point P and line L

Answer should be - A

Dharmin
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becoolja
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How many planes contain both point P and line l ? (1) Point 23 May 2004, 19:41
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Absolutely agree with Dharmin, your explanation is really to the point :-)
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lastochka
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How many planes contain both point P and line l ? (1) Point 23 May 2004, 19:46
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Dharmin
becoolja
How many planes contain both point P and line l ?

(1) Point P is not on line l
(2) Point P is on line m and line m intersects line l

(1) A line and a point - not on the line will define a plane, So (1) is sufficient to answer the question,
Quote:
How many planes contain both point P and line l ?
: One Plane
(2) if point - P on line :m is an intersection point of line L and line M, the condition holds no good, there can be infinite no of planes passing through point P and line L

Answer should be - A

Dharmin
Show more


Let me ask a stupid question here -- what's a plane? I initially thought it's the same thing as a quadret, but looks like I was off.



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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
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