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P(1,1,1) and Q(lamda,lamda,lamda) are tw...

`P(1,1,1) and Q(lamda,lamda,lamda)` are two points in space such that `PQ=sqrt(27) the vaule of `lamda` can be (A) -2 (B) -4 (C) 4 (D) 2

A

`-4`

B

`-3`

C

2

D

4

Text Solution

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The correct Answer is:
D
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MCGROW HILL PUBLICATION-THE DIMENSIONAL GEOMETRY -EXERCISE (LEVEL 1 (SINGLE CORRECT ANSWER TYPE QUESTIONS))
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  10. Equation of a plane passing through (1, 1, 1) and containing x-axis is

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  13. The number of lines which are equally inclined to the axes is :

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  14. Find the equation of a line which passes through a given point of posi...

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  15. If the line r=(i+j-k)+lambda(3i-j)andr=(4i-k)+mu(2i+3k) intersect at t...

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  20. The lines r=a+lambda(bxxc)andr=b+mu(cxxa) will intersect if

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