The sum of two vectors A and B is 5i+j and their difference is 3i-2j . The vector A then is ?

a. (8i+j)

b. 2i-5j

c.i-2.5j

d. none

### 2 Answers | Add Yours

`A+B=5i+j`

`A-B=3i-2j`

`A=4i-(1/2)j`

Ans D

how sir ?

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