" 21.यद् "|vec a|=5,|vec b|=13" And "|vec a timesvec b|=2" : "

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

vec i*(vec i timesvec i)=

If |vec a|=2,|vec b|=5 and vec avec b=2, find |vec a-vec b|

If two vectors vec a and vec b are such that | vec a|=2,| vec b|=1 and vec adot vec b=1 , find (3 vec a-5 vec b)dot(2 vec a+7 vec b)dot

If |vec a| = 2, |vec b| = 5 and |vec a xx vec b| = 8 then vec a . vec b

(vec i timesvec j).vec k=

If two vectors vec a and vec b are such that |vec a|=2,|vec b|=1 and vec a*vec b=1, find (3vec a-5vec b)*(2vec a+7vec b)

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

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 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