in the plane of XY
in the plane of YZ
in the plane of XZ
along the X·axis
`pm 8`
`pm 12`
Only `8`
Only `12`
`cxxa`
`cxxb`
`-((axxb))/(|axxb|)`
`((axxb))/(|axxb|)`
`pm 8`
`pm 12`
Only `8`
Only `12`
`2 vec(OP)`
`4 vec(OP)`
`6 vec(OP)`
`8 vec(OP)`
`vec(BA)+vec(CD) = vec(AC)+vec(DB)`
`vec(BA)+vec(CD) = vec(BD)+vec(CA)`
`vec(BA)+vec(CD) = vec(AC)+vec(BD)`
`vec(BA)+vec(CD) = vec(BC)+vec(AD)`
`7`
`8`
`10`
`11`
`2sqrt(2)`
`2sqrt(10)`
`5`
`10`
`1`
`2`
`3`
`4`
`11`
`9`
`7`
`6`
`a + b`
`a - b`
`-a - b`
`-a + b`
`(i+ j-2k)/3`
`(i-2j+2k)/3`
`(21- j+ 2k)/3`
None of the above
P, Q and R are the vertices of an equilateral triangle
P, Q and R are the vertices of an isosceles triangle
P, Q and Rare collinear
None of the above
`2`
`3`
`4`
`5`
` (| hata - hatb |)/2`
` (| hata + hatb |)/2`
` (| hata - hatb |)/4`
` (| hata + hatb |)/4`
` (| hata - hatb |)/2`
` (| hata + hatb |)/2`
` (| hata - hatb |)/4`
` (| hata + hatb |)/4`
A parabola
An ellipse
a circle
a straight line
A straight line
An ellipse
A parabola
A circle
A parabola
An ellipse
a circle
a straight line
`72`
`64`
`48`
`36`
`1/2` unit
`1` unit
`2` units
`3` units
`a = lamda b` for some scalar `lamda`.
`a` is parallel to `b`
`a` is perpendicular to `b`
`a = b = 0`
hyperbola
ellipse
parabola
Circle
`pi/2 `
`pi/3`
`pi/6 `
None of these
`(11)/(12)`
`(13)/(14)`
`- (11)/(12)`
`- (13)/(14)`
`60^0`
`45^0`
`30^0`
`15^0`
`i + j- k`
`i- j + k`
`i- j- k`
None of these
`0`
`2`
`-2`
None of these
`(i+j)/sqrt2`
`(i-j)/sqrt2`
`k`
`(i+j+k)/sqrt3`
Only I
Only II
Only Ill
Both I and Ill
`8`
`6`
`4`
`2`
(a +b) is parallel to (a -b)
(a + b)· (a -b) = 1
(a + b) is perpendicular to (a -b)
None of the above
`sqrt(13/7)`
`sqrt(13)/7`
`13/ sqrt7`
None of these
`0`
`1/2`
`1`
`2`
`vecalpha`
`3vecalpha`
`-vecalpha`
`0`
` -1/3 `
` 1/3 `
`2/3`
`1`
`lambda=41/12, mu =31/12`
`lambda=41/12, mu -31/12`
`lambda=-41/12, mu =31/12`
None of these
`(-4hat i + 3hat j - hat k)/sqrt(26)`
`(-4hat i + 3hat j + hat k)/sqrt(26)`
`(-3hat i + 2hat j - hat k)/sqrt(26)`
`(-3hat i + 2hat j - hat k)/sqrt(14)`
`23` units
`19` units
`18` units
`21` units
`( hat i + hat j)/sqrt(2)`
`hat k`
`(hat j + hat k)/sqrt(2)`
`( hat i - hat j)/sqrt(2)`
`-10 i - 3 j + 4 k`
`-10 i + 3 j + 4 k`
`10 i - 3 j + 4 k`
None of the above
`i`
`-j`
`j`
`k`
`3i +2j`
`- 3i +2j`
`2i -3j`
`-2i +3j`
`12`
`16`
`20`
`24`
`2 (a xx b)`
`- 2 (a xx b)`
`(a xx b)`
`- (a xx b)`
`2`
`-2`
`1`
`7`
`5`
`10`
`14`
`16`
`2 sqrt(16 - (a.b)^2)`
`2 sqrt(4 - (a.b)^2)`
` sqrt(16 - (a.b)^2)`
`sqrt(4 - (a.b)^2)`
`0`
`pi/4`
`pi/2`
`pi`
`a= b`
The angle between `a` and `b` is `45^0`
`a` is parallel to `b`
`a` is perpendicular to `b`
a is parallel to b
a is perpendicular to b
a= 0 or b = 0
None of these
`1`
`(19)/9`
`(17)/9`
`(23)/9`
`sqrt5/2`
`19/9`
`sqrt5/4`
`11/3`
` 9/(19)`
`(19)/9`
`9`
`sqrt(19)`
`sqrt 5 //2`
` (19) /9`
`sqrt 5 //4`
`11//3`
` - 5/2 hat i + (3sqrt3)/2 hat j`
` 1/2 hat i + (sqrt3)/2 hat i`
` - 1/2 hat i + (3sqrt3)/2 hat j`
None of these
`2`
`sqrt 7`
`sqrt 14`
`14`
`5 sqrt(5)` sq units
`4 sqrt(5)` sq units
`5 sqrt(3)` sq units
`15 sqrt(2)` sq units
`12` sq units
`12.5` sq units
`25` sq units
`156.25` sq units
`6` sq units
`5` sq units
`4` sq units
`3` sq units
`5 sqrt(6)` sq units
`(5 sqrt(6))/2` sq units
`sqrt(6)` sq units
`sqrt(30)` sq units
`6sqrt(2)` sq units
`3sqrt(2)` sq units
`10sqrt(3)` sq units
None of these
`1/2` sq unit
`1` sq unit
`2` sq units
`4` sq units
`vec a + vec b`
`vec a . vec b`
`1/2 |vec a xx vec b|`
` |vec a xx vec b|`
`1/2` sq unit
`1` sq unit
`2` sq units
`4` sq units
`15/2` sq units
`15` sq units
`7/2` sq units
`7` sq units
`veca , vecb , vecc` are orthogonal inpairs and `|veca| = | vec c|` and `|vecb| = 1`
`veca , vecb , vecc` are non-orthogonal to each other
`veca , vecb , vecc` are orthogonal in pairs but `|veca| ne | vecc||`
`veca , vecb , vecc` are orthogonal in pairs but `| vecb| ne 1`
`(3 ( hati+hatj))/2`
`(2 ( hati+hatj))/3`
`((hati+hatj))/2`
`((hati+hatj))/3`
Only x
Only y
Both x and y
Neither x nor y
` vec(u) * (vec(v) xx vec(w))`
`(vec(u) xx vec(v))* vec(w)`
` (vec(u) * vec(v) ) xx vec(w)`
`vec(u) xx (vec(v) * vec(w))`
`-2sqrt(16)`
`2sqrt(16)`
`sqrt(-16)`
`sqrt(16)`
`(veca vecd) [veca vecb vecc]`
`(veca vecc) [veca vecb vecc]`
`(veca vecb) [veca vecb vecc]`
None of these
`-1`
`sqrt(10) + sqrt (6)`
`sqrt(59)`
`sqrt(60)`
`-1`
`sqrt (10) + sqrt (6)`
`sqrt (58)`
`sqrt (59)`
Only `1`
Only `2`
Both `1` and `2`
Neither `1` nor `2`
`vecR `is parallel to` vecA`
`vecR `must be parallel to` vecB`
`vecR `must be perpendicular to ` vecB`
none of the options
`sqrt(12)`
`2 sqrt(120`
`3 sqrt(14)`
`2 sqrt(14)`
`vec a`
`2 vec a`
`3 vec a`
` vec 0`
`2/3`
`3/2`
`2`
`3`
`m=2` and `n=±1`
`m=±2` and `n=-1`
`m = 2` and `n = -1`
`m = ±2` and `n = 1`
arithmetic mean of `alpha` and `beta`
geometric mean of `alpha` and `beta`
harmonic mean of `alpha` and `beta`
None of the above
Only a
Only b
Both a and b
Neither a nor b
`-2`
`2`
`-4`
`4`
`-8`
`4`
`8`
`12`
`-8`
`4`
`8`
`12`
`a· (b xx c)= 0`
`a· (b xx c)= 1`
`a·(bxxc)=-1`
`a·(bxxc)=3`
`0`
`5/3`
`1`
`8/5`
`0`
`5/3`
`1`
`8/5`
`-8`
`4`
`8`
`12`
`0`
`5//3`
`1`
`8//5`
`0`
`pa`
`qb`
`(p+ q) c`
`-2`
`2`
`-4`
`4`
Only I
Only II
Both I and II
Neither I nor II