Let `veca,vecb,vecc` be the three vectors of magnitude 5, 3, I respectively. If each one is perpendicular to the sum of other two vectors, prove that `|veca+vecb+vecc|`=`sqrt35`.

Let veca,vecb and vecc be three vectors of magnitude 3,2,5 respectively. If each one is perpendicular to the sum of other two vectors, prove that : |veca+vecb+vecc|=sqrt(38) .

If veca,vecb,vecc are three non-zero vectors such that each one of these is perpendicular to the sum of the other two vectors, then the value of |veca+vecb+vecc|^2 is :

Let veca, vecb, vecc be three vectors such that |veca| = 3, |vecb| = 4, |vecc| = 5 and each one of them being perpendicular to the sum of the other two, find |veca+vecb+vecc|

If |veca| =3, |vecb| =4 and |vecc| =5 and each of them is perpendicular to the sum of other two then find the value of |veca+vecb+vecc|

If |veca| =7, |vecb| =1 and |vecc| =5 and each of them is perpendicular to the sum of other two then find the value of |veca+vecb+vecc|

If |veca| =2, |vecb| =3 and |vecc| =4 and each of them is perpendicularto the sum of other two then find the value of |veca+vecb+vecc|

Let veca, vecb and vecc be the three vectors having magnitudes, 1,5 and 3, respectively, such that the angle between veca and vecb "is" theta and veca xx (veca xxvecb)=vecc . Then tan theta is equal to

If veca,vecb,vecc are perpendicular to each other, prove that [veca.(vecbxxvecc)]^(2)=a^(2)b^(2)c^(2)

let veca , vecb and vecc be three vectors having magnitudes 1, 1 and 2, respectively, if vecaxx(vecaxxvecc)+vecb=vec0, then the acute angle between veca and vecc is _______