Home
Class 12
MATHS
[" Show that for two vectors "vec a" and...

[" Show that for two vectors "vec a" and "vec b" : "],[|vec a timesvec b|^(2)+(vec a*vec b)^(2)=|vec a|^(2)|vec b|^(2)*(2008,09]

Promotional Banner

Similar Questions

Explore conceptually related problems

For any two vectors vec a and vec b ,prove that (vec a xxvec b)^(2)=|vec a|^(2)|vec b|^(2)-(vec a*vec b)^(2)

for any two vectors vec a and vec b, show that |vec a*vec b|<=|vec a||vec b|

For any two vectors vec a and vec b , prove that (vec a* vec b)^ 2 le |quad vec a|^2|quad vec b|^2 .

For any two vectors vec a and vec b , prove that (vec a xx vec b )^2= |vec a |^2 |vec b|^2 -(vec a. vec b)^2

For any two non zero vectors write the value of (|vec a+vec b|^(2)+|vec a-vec b|^(2))/(|vec a|^(2)+|vec b|^(2))

If two vectors vec a and vec b such that |vec a|=2, |vec b|= 3 and vec a.vec b = 4 , find |vec a - vec b|

For any two vectors vec a and vec b , show that : ( vec a+ vec b)dot( vec a- vec b)=0, when | vec a|=| vec b|dot

For any two non zero vectors write the value of (| vec a+ vec b|^2+| vec a- vec b|^2)/(| vec a|^2+ | vec b"|^2)

For any two vectors vec(a) and vec(b) , show that | vec (a).vec(b)| le |vec(a)||vec(b)|

If two vectors vec a and vec b are such that |vec a|=2,|vec b|=1 and vec a*vec b=1, find (3vec a-5vec b)*(2vec a+7vec b)