" Q1.If "vec a" and "vec b" are perpendicular vectors "|vec a+vec b|=13" and "|vec a|=5," find the value of "|vec b|

If vec(a) and vec(b) are perpendicular vectors |vec(a) + vec(b)| = 13 and |vec(a)| = 5 , find the value of |vec(b)|

If vec(a) and vec(b) are perpendicular vectors, |vec(a)+vec(b)|=3 and |vec(a)|=5 , find the value of |vec(b)| .

If vec(a) and vec(b) are perpendicular vectors such that |vec(a)+vec(b)|=13 and |vec(a)|=5 , find the value of |vec(b)| .

If two vectors vec a and vec b are such that |vec a|=2,|vec b|=1 and vec avec b=1, then find rthe value of (3vec a-5vec b)2vec a+7vec b

If vec a,vec b,vec c are mutually perpendicular unit vectors,find |2vec a+vec b+vec c|

Let vec a,vec b,vec c be vectors with lengths 3,4,5 respectively.Let vec a be perpendicular to vec b+vec c,vec b be perpendicular to vec c+vec a and vec c be perpendicular to vec a+vec b Tehn find the value of |vec a+vec b+vec c|

Find |vec a| and |vec b|, if :(vec a+vec b)vec a-vec b=13 and |vec a|=2|vec b|

If vec a and vec b be perpendicular vectors, then prove that (vec a + vec b)^(2) = (vec a - vec b)^(2) .

If vec a and vec b are two vectors such that |quad vec a|=2 , |quad vec b|=1 and vec a. vec b=1 , then find the value of (3 vec a - 5 vec b).(2 vec a+7 vec b) .

If |vec a| =5, |vec b|=13 , |vec a timesvec b|=25 then find the value of vec a*vec b