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Recent questions tagged equations-of-lines
Questions
The angle between the lines $x=1,\:y=2$ and $y=-1,\:z=0$ is ?
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
easy
q86
asked
Jan 9, 2014
by
rvidyagovindarajan_1
1
answer
Equation of the line through the point $(2,-1,-1)$, which is parallel to the plane $4x+y+z+2=0$ ans is $\perp$ to the line $x=\large\frac{y}{-2}=$$z-5$ is ?
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
medium
q84
asked
Jan 8, 2014
by
rvidyagovindarajan_1
1
answer
The line joining the points $6\overrightarrow a-4\overrightarrow b-5\overrightarrow c$ and $-4\overrightarrow c$ and the line joining the points $-\overrightarrow a-2\overrightarrow b-3\overrightarrow c$ and $\overrightarrow a+2\overrightarrow b-5\overrightarrow c$ Intersects at the point ?
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
medium
q65
asked
Jan 5, 2014
by
rvidyagovindarajan_1
1
answer
The length of $\perp$ from origin to the plane passing through the point $\overrightarrow a$ and containing the line $\overrightarrow r=\overrightarrow b+\lambda \overrightarrow c$ is ?
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
medium
q53
asked
Jan 3, 2014
by
rvidyagovindarajan_1
1
answer
The line through the point $\hat i+3\hat j+2\hat k$ and $\perp$ to the lines $\overrightarrow r=(\hat i+2\hat j-\hat k)+\lambda(2\hat i+\hat j+\hat k)$ and $\overrightarrow r=(2\hat i+6\hat j+\hat k)+\mu (\hat i+2\hat j+3\hat k)$ is ?
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
easy
q51
asked
Jan 3, 2014
by
rvidyagovindarajan_1
1
answer
The distance of the point $(-1,2,6)$ from the line through the point $(2,3,-4)$ along the vector $6\hat i+3\hat j-4\hat k$ is ?
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
easy
q50
asked
Jan 3, 2014
by
rvidyagovindarajan_1
1
answer
The direction ratio of the line $3x+1=6y-2,\:z=1$ is ?
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
medium
q40
asked
Jan 1, 2014
by
rvidyagovindarajan_1
1
answer
The equation of a line that are equally inclined with the coordinate axis and and which passes through $(-1,2,3)$ is?
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
easy
q38
asked
Jan 1, 2014
by
rvidyagovindarajan_1
1
answer
The angle between the lines whose $d.c.$ are given by the equations $3l+m+5n=0$ and $6mn-2nl+5lm=0$ is?
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
difficult
q37
asked
Jan 1, 2014
by
rvidyagovindarajan_1
1
answer
If a line makes angle $\alpha,\:\beta,\:\gamma$ with $x-axis,\:y-axis\:and\:\:z-axis$ respectively, then $sin^2\alpha+sin^2\beta+sin^2\gamma=?$
math
class12
ch11
3d-geometry
equations-of-lines
easy
q33
jeemain
asked
Dec 31, 2013
by
rvidyagovindarajan_1
1
answer
The angle between the lines $\large\frac{2-x}{1}=\frac{y}{2}=\frac{z+3}{1}\:\:and\:\:\large\frac{x-4}{4}=\frac{y-1}{1}=\frac{z-5}{2}$ is?
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
easy
q31
asked
Dec 31, 2013
by
rvidyagovindarajan_1
1
answer
The two lines whose equations are given by $x=ay+b,\:\:z=cy+d\:\:\:and\:\:\:x=a'y+b',\:\:z=c'y+d'$ are $\perp$ if
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
difficult
q24
asked
Dec 28, 2013
by
rvidyagovindarajan_1
1
answer
A line makes angle $\theta$ with $x\:\:and\:\:z\:\:axis.$ If it makes angle $\beta$ with $y\; axis$, where $sin^2 \beta=3sin^2\theta$, then $ cos^2\theta=?$
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
medium
q22
asked
Dec 28, 2013
by
rvidyagovindarajan_1
1
answer
The line $\overrightarrow r=\hat i+2\hat j-\hat k+\lambda(2\hat i-\hat k)$ is $\perp$ to which axis?
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
easy
q3
asked
Dec 18, 2013
by
rvidyagovindarajan_1
1
answer
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