Question

Please Solve it as soon as possible.
it's answer is 7k^..​

Answer 1

Answer:

7k^ is the right Answer

Answer 2

Answer:

For two vectors to be perpendicular, their dot product must be equal to 0 .

Let the vector perpendicular to given vector is

ai+bj to satisy the above condition-

(4i−3j).(ai+bj)=0

(4a−3b)=0

hence 4a=3b

i.e, a/b=3/4

for minimum integer value a = 3 and b = 4