If vec p is a unit vector and ( vec...

If ` vec p` is a unit vector and `( vec x-\ vec p).( vec x+\ vec p)=80 ,` then find `| vec x|`

Text Solution

AI Generated Solution

Topper's Solved these Questions

EXAM REVISION SERIES
XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise All Questions|19 Videos

Similar Questions

Explore conceptually related problems

If vec a is a unit vector and (vec x - vec a).(vec x + vec a)=8 , then find |vec x|

If vec a is a unit vector and ( vec x- vec a)dot( vec x+ vec a)=24 , then write the value of | vec x|

find |vec x| , if for a unit vector vec a, (vec x- vec a)( vec x + vec a) =12

If vec b is a unit vector such that ( vec a+ vec b)dot ( (vec a- vec b))=8,\ find \ | vec a|dot

Find | vec x| , if for a unit vector vec a ,\ ( vec x- vec a).( vec x+ vec a)=15.

Find | vec x| , if for a unit vector vec a ,\ ( vec x- vec a)*( vec x+ vec a)=15.

If vec xa n d vec y are unit vectors and | vec z|=2/7 such that vec z+ vec zxx vec x= vec y , then find the angle theta between vec xa n d vec zdot

Find | vec x| if for a unit vector vec a ,\ ( vec x- vec a)dot \ ( vec x+ vec a)=15.

If vec a\ is a unit vector, then find | vec x| in each of the following: ( vec x- vec a)dot'( vec x+ vec a)=8

If vec a\ is a unit vector, then find | vec x| in each of the following: ( vec x- vec a)dot'( vec x+ vec a)=12

XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions

Using properties of determinants, prove the following: |[1,1+p,1+p+q],...
Text Solution
|
On a multiple choice examination with three possible answers (out o...
Text Solution
|
If vec p is a unit vector and ( vec x-\ vec p).( vec x+\ vec p)...
Text Solution
|
Let f: NvecN be defined by f(n)={(n+1)/2,\ "if"\ n\ "i s\ o d d"n/2...
Text Solution
|
Solve the following differential equation: cos^2x(dy)/(dx)+\ y=tanx
Text Solution
|
Solve the following differential equation: x(dy)/(dx)=y-xtan(y/x)
Text Solution
|
Find the distance of the point P(6,5,9) from the plane determined b...
Text Solution
|
If matrix A=[[1,-1],[-1 ,1]] and A^2=k A , then write the value of k
Text Solution
|
Find the points on the line (x+2)/3=(y+1)/2=(z-3)/2\ at a distance ...
Text Solution
|
Evaluate: int(x^4\ dx)/((x-1)(x^2+1))
Text Solution
|
If y=cos^(-1)((3x+4\ sqrt(1-x^2))/5), find(dy)/(dx)
Text Solution
|
Evaluate the following: int1^2(5x^2)/(x^2+4x+3)\ dx
Text Solution
|
If y=e^(asin^(-1)x)\ ,\ -1\ lt=x\ lt=1, then show that (1-x^2)\ (d^...
Text Solution
|
Find the coordinates of the foot of the perpendicular and the perpen...
Text Solution
|
A bag contains 4 balls. Two balls are drawn at random, and are foun...
Text Solution
|
One kind of cake requires 300g of flour and 15g of fat, another kin...
Text Solution
|
If the length of three sides of a trapezium other than the base is 1...
Text Solution
|
Using matrix method, solve the following system of equations: 2/x+...
Text Solution
|
Using elementary transformations, find the inverse of the matrix [[1...
Text Solution
|
Solve the following differential equation: [(e^(-2\ sqrt(x)))/(sqrt(x)...
Text Solution
|