Home
Class 14
MATHS
if |vec a| = 3, |vec b| = 4 and |vec a -...

if `|vec a| = 3`, `|vec b| = 4` and `|vec a - vec b| = 5,` then the value of` |vec a + vec b| `is equals to :

A

6

B

5sqrt2

C

5

D

4

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SIMPLIFICATION

    RS AGGARWAL|Exercise question|15 Videos
  • SIMPLE INTEREST

    RS AGGARWAL|Exercise All Questions|124 Videos
  • SQUARE ROOTS AND CUBE ROOTS

    RS AGGARWAL|Exercise All Questions|219 Videos

Similar Questions

Explore conceptually related problems

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

If |vec(a) | = 3, |vec(b)|= 4 and |vec(a)- vec(b)|=5 , then what si the value of |vec(a) + vec(b)| =?

If | vec A| = 2, | vec B| =5 and | vec A xx vec B | =8 , din the value of (vec A. vec B0 .

If |vec a|=2|vec b|=5 and |vec a xxvec b|=8, then find the value of vec a.vec b.

If |vec(a)|=3, |vec(b)|=4 and |vec(a)-vec(b)|=5 , then what is the value of |vec(a)+vec(b)|=?

if | vec a | = 3, | vec b | = 4, | vec a-vec b | = 5 then | vec a + vec b | =?

If | vec a | = 5, | vec b | = 4 and | vec c | = 3 thus what will be the value of | vec a * vec b + vec b * vec c + vec c * vec a | given vec a + vec b + vec c = 0

If |veca| = 1, |vec b| = 2, |vec c| = 3 and vec a +vec b +vec c = 0 , then the value of vec a * vec b +vec b. vec c +vec c* vec a equals

If vec a, vec b and vec c are perpendicular to vec b + vec c, vec c + vec a, vec a + vec b respectively and if | vec a + vec b | = 6, | vec b + vec c | = 8 and | vec c + vec a | = 10 then find the value of vec a + vec b + vec c

Let vec a , vec b , vec c are three vectors , such that vec a + vec b + vec c = vec 0 .If , |vec a|=3 , |vec b|=4 and | vec c|=5 , then the value of, |vec a+vec b|^(2) + |vec b-vec c|^(2) + |vec c+vec a|^(2) , equal to :