Two vectors a and b are such that `|a+b|^2=|a|^2+|b|^2` Prove that they are orthogonal.

Two vectors A and B are such that A+B = C and A^2 +B^2 = C^2 . If theta is the angle between positive direction of A and B , then the correct statement is

Two vectors A and B are such that A+B = C and A^2 +B^2 = C^2 . If theta is the angle between positive direction of A and B , then the correct statement is

Two vectors A and B are such that A+B = C and A^2 +B^2 = C^2 . If theta is the angle between positive direction of A and B , then the correct statement is

If vec a and vec b are two vectors such that |vec a+vec b|=|vec a|, then prove that vector 2vec a+vec b is perpendicular to vector vec b

If vec a,vec b, are two vectors such that |vec a+vec b|=|vec a|, then prove that 2vec a+vec b is perpendicular to vec b .

If vec a,vec b are two vectors such that |vec a+vec b|=|vec b|, then prove that vec a+2vec b is perpendicular to vec a .

If vec a , vec b are two vectors such that | vec a+ vec b|=| vec b|, then prove that vec a+2 vec b is perpendicular to vec a .

If vec a ,\ vec b are two vectors such that | vec a+ vec b|\ =| vec b|, then prove that vec a+2 vec b is perpendicular to vec adot

If vec a,vec b are two vectors such that |vec a+vec b|=|vec b|, then prove that vec a+2vec b is perpendicular to vec a .

If vec a ,\ vec b ,\ are two vectors such that | vec a+ vec b|=| vec a|, then prove that 2 vec a+ vec b is perpendicular to vec bdot