Question

IF A = 3i-4j; and B=7i+24j, the vector which has the same magnitude as
parallel to A is
1) 5i +20
2) 151 +10j 3) 201 +15)
4) 15i+20​

Answer 1

Answer:

B∣=

7

2

+(24)

2

=

625

=25

Unit vector in the direction of A will be A=

5

3

i

^

+4

j

^

So required vector =25(

5

3

i

^

+4

j

^

)=15

i

^

+20

j

^