If A-=(p,q,r) and B-=(p^('),q^('),r^('))...

If `A-=(p,q,r)` and `B-=(p^('),q^('),r^('))` are two points on the line `lamdax=muy=vz` and `OA=a,OB=b` where `O` is origin then the value of `(pp^(')+qq^(')+rr^('))` is equal to (a)`a+b` (b)`ab` (c)`sqrt(a^2-b^2)` (d)`-ab`

Topper's Solved these Questions

INVERSE TRIGONOMETRIC FUNCTIONS
RESONANCE DPP ENGLISH|Exercise All Questions|15 Videos
MATRICES
RESONANCE DPP ENGLISH|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

If p/a + q/b + r/c=1 and a/p + b/q + c/r=0 , then the value of p^(2)/a^(2) + q^(2)/b^(2) + r^(2)/c^(2) is:

Let A=[(1, 2),(3, 4)] and B=[(p,q),(r,s)] are two matrices such that AB = BA and r ne 0 , then the value of (3p-3s)/(5q-4r) is equal to

P and Q are points on the line joining A(-2,5) and B(3,1) such that A P=P Q=Q B . Then the distance of the midpoint of P Q from the origin is (a) 3 (b) (sqrt(37))/2 (c) 4 (d) 3.5

p=2a-3b,q=a-2b+c and r=-3a+b+2c , where a,b,c being non-coplanar vectors, then the vector -2a+3b-c is equal to

The point P(a,b), Q(c,d), R(a,d) and S(c,b) , where a,b,c ,d are distinct real numbers, are

The image of P(a ,b) on the line y=-x is Q and the image of Q on the line y=x is R . Then the midpoint of P R is (a) (a+b ,b+a) (b) ((a+b)/2,(b+2)/2) (c) (a-b ,b-a) (d) (0,0)

P and Q are points on the line joining A(-2,5) and B(3,1) such that A P=P Q=Q B . Then, the distance of the midpoint of P Q from the origin is 3 (b) (sqrt(37))/2 (b) 4 (d) 3.5

P and Q are any two points lying on the sides DC and AD respectively of a parallelogram ABCD . Show that a r\ (A P B)\ =\ a r\ (B Q C) .

If (p+q)t h term of a G.P. is a and its (p-q)t h term is b where a ,b in R^+ , then its pth term is (a). sqrt((a^3)/b) (b). sqrt((b^3)/a) (c). sqrt(a b) (d). none of these

If the centroid of the triangle formed by points P(a ,\ b),\ \ Q(b ,\ c) and R(c ,\ a) is at the origin, what is the value of a+b+c ?

RESONANCE DPP ENGLISH-JEE MAINS-All Questions

Equation of the locus of all points such that the difference of its di...
Text Solution
|
In X-Y plane, the path defined by the equation (1)/(x^(m))+(1)/(y^(m))...
Text Solution
|
If A-=(p,q,r) and B-=(p^('),q^('),r^(')) are two points on the line la...
Text Solution
|
A function is definded as f(x) = lim( n to oo) {{:(cos^(2n)x, if ...
Text Solution
|
If one of the lines given by the equation 2x^2+p x y+3y^2=0 coincide w...
Text Solution
|
if A=sin^2x-4sinx+2 then, for x in R a. -1lt=Alt=8 b. -1lt=Alt=7 ...
Text Solution
|
Two sides of a Rhombus ABCD are parallel to the lines x-y=5 and 7x-y=3...
Text Solution
|
(sin8^0dotsin 52^0dotsin 68^0)/(sin 24^0) is equal to (a)1 (b)2 (c)-1 ...
Text Solution
|
The equation of the chord of the circle x^2+y^2-3x-4y-4=0 , which pass...
Text Solution
|
If t a n x=3cot x , then the general value of x is (A) npi+pi/6,"n" i...
Text Solution
|
If the circle x^2+y^2 -2x-2y+1=0 is inscribed in a triangle whose two...
Text Solution
|
Find the minimum value of 9tan^2theta+4cot^2theta
Text Solution
|
The equation of the incircle of equilateral triangle A B C where B-=(2...
Text Solution
|
If the equation of a given circle is x^2+y^2=36 , then the length of t...
Text Solution
|
If the sum of the first 100 terms of an AP is -1 and the sum of even t...
Text Solution
|
The locus of the midpoint of a chord of the circle x^2+y^2=4 which sub...
Text Solution
|
If (x-2)^2+(y-2)^2=1, then which of the following is true? a.maximum...
Text Solution
|
The angle between the lines 2x^2-7x y+3y^2=0 is 1.60^0 2. 45^0 3. ...
Text Solution
|
The slope of a median, drawn from the vertex A of the triangle ABC is ...
Text Solution
|
Let A(2,-3)and B(-2,1) be the vertices of DeltaABC. If the centroid of...
Text Solution
|