If `veca` and `vecb` are mutually perpendicular unit vectors, then the value of `(3veca-4vecb)*(2veca+5vecb)` is -

If veca and vecb are mutually perpendicular unit vectors , then (3veca+2vecb).(5veca-6vecb)=

If veca and vecb are mutually perpendicular unit vectors, vecr is a vector satisfying vecr.veca =0, vecr.vecb=1 and (vecr veca vecb)=1 , then vecr is:

If veca and vecb are mutually perpendicular unit vectors, vecr is a vector satisfying vecr.veca =0, vecr.vecb=1 and (vecr veca vecb)=1 , then vecr is:

If veca,vecb,vecc are three mutually perpendicular unit vectors, then prove that abs(veca+vecb+vecc)=sqrt3

If veca , vecb , vecc are three mutually perpendicular unit vectors, then prove that ∣ ​ veca + vecb + vecc | ​ = sqrt3 ​

If veca , vecb , vecc are three mutually perpendicular unit vectors, then prove that ∣ ​ veca + vecb + vecc | ​ = sqrt3 ​

If veca and vecb are unit vectors, then the greatest value of |veca +vecb|+ |veca -vecb| is

veca and vecb are two unit vectors that are mutually perpendicular. A unit vector that if equally inclined to veca, vecb and veca xxvecb is equal to

veca and vecb are two unit vectors that are mutually perpendicular. A unit vector that if equally inclined to veca, vecb and veca xxvecb is equal to