Question

If the vectors a=i-j+2k, b=2î+4j+k and
c=2i+j+uk are mutually orthogonal,
then (2, 1) =
(AIEEE-2010)
(1) (2,-3)
(2)(-2,3)
(3) (3,-2)
(4) (-3,2)​

Answer 1

Answer:

I think so option 3 is the answer

Answer 2

Answer:

serch in google my gamer

and if you dont get it their check your guild if u have one

.....

and if u dont get it then there is only one way......

just ask your teacher

Step-by-step explanation:

i am kidding i think it is option 3