If `vec P and vec Q` are two vectors, then the value of `(vec P + vec Q) xx (vec P - vec Q)` is

Two vectors vec P and vec Q

What is the angle between vec P and the resultant of (vec P+vec Q) and (vec P-vec Q)

If vec P xx vec Q= vec R, vec Q xx vec R= vec P and vec R xx vec P = vec Q then

What is the anlge between vec P xx vec Q and vec Q xx vec P is

If vec p and vec q are two unit vectors and the angle between them is 60^(@) then ((1+vec p. vec q))/((1-vec p.vec q)) is ?

If vec p + vec q + vec r = xvec s and vec q + vec r + vec s = yvec p and are vec p, vec q, vec r non coplaner vectors then | vec p + vec q + vec r + vec r + vec s | =

If vec u , vec v , vec w are noncoplanar vectors and p, q are real numbers, then the equality [3 vec u ,""p vec v , p vec w]-[p vec v ,"" vec w , q vec u]-[2 vec w ,""q vec v , q vec u]=0 holds for (A) exactly one value of (p, q) (B) exactly two values of (p, q) (C) more than two but not all values of (p, q) (D) all values of (p, q)

If vec u , vec v , vec w are noncoplanar vectors and p, q are real numbers, then the equality [3 vec u ,""p vec v , p vec w]-[p vec v ,"" vec w , q vec u]-[2 vec w ,""q vec v , q vec u]=0 holds for (A) exactly one value of (p, q) (B) exactly two values of (p, q) (C) more than two but not all values of (p, q) (D) all values of (p, q)

Two vectors vec P and vec Q are inclinded to each other at 60^(@) . The magnitude of vec P and vec Q are 10 and 15 units respectively. What is the angle (alpha) made by their resultant vec R" with "vec P ?

Given that vec a , vec b , vec p , vec q are four vectors such that vec a+ vec b=mu vec p , vec b*vec q=0a n d|vec b|^2=1,w h e r emu is a scalar. Then |( vec adot vec q) vec p-( vec pdot vec q) vec a| is equal to (a) 2| vec p . vec q| (b) (1//2)| vec p . vec q| (c) | vec pxx vec q| (d) | vec p . vec q|