Given three non-zero, non-coplanar vectors ` vec a , vec b ,a n d vec cdot vec r_1=p vec a+q...
2,043 views · Published 25 September 2017 · 3:12 · Indexed 20 September 2026
Channel: Doubtnut · 2017 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Given three non-zero, non-coplanar vectors ` vec a , vec b ,a n d vec cdot vec r_1=p vec a+q vec b+ vec ca n d vec r_2= vec a+p vec b+q vec cdot` If the vectors ` vec r_1()_+2 vec r_2a n d2 vec r_1+ vec r_2` are collinear, then `(P ,q)` is a. `(0,0)` b. `(1,-1)` c. `(-1,1)` d. `(1,1)`
More from this channel
-
4:29
IIT JEE LIMITS AND DERIVATIVES Evaluate the limit:
`("lim")_(xvecoo)((x+2)/(x+1))^(x+3)`
-
2:47
JEE MAINS 2018 Find the points of local maxima and local minima,
if any, of each of the follo...
-
3:54
IIT JEE COMPLEX NUMBERS AND QUADRATIC EQUATIONS Find how many roots of the equations `x^4+2x^2-8x...
-
3:54
IIT JEE TRIGONOMETRIC FUNCTIONS One of the general solutions of `sqrt(3) cos theta-3 sin theta=4 ...
-
3:31
IIT JEE TRIGONOMETRIC FUNCTIONS In a triangle, if the angles `A , B ,a n dC`
are in A.P. show tha...
-
1:08
IIT JEE SEQUENCES AND SERIES The geometric mean between -9 and -16 is
`12`
b. `-12`
c. `-13`
d. ...
-
2:36
IIT JEE TRIGONOMETRIC FUNCTIONS In ` A B C ,`
as semicircle is inscribed, which lies on the side ...
-
4:25
IIT JEE TRIGONOMETRIC FUNCTIONS If `I`
is the incenter of ` A B Ca n dR_1, R_2,a n dR_3`
re, resp...