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Grade: 12th pass
        
if f = 4i – 3j then find prependicular vector to f and solve step by step
 
one month ago

Answers : (2)

Saurabh Koranglekar
askIITians Faculty
2718 Points
							Dear student

Let q be another vector ai +bj

f.q = 0

4a- 3b = 0 is condition

Regards
one month ago
Arun
21973 Points
							

Talking about two perpendicular vectors,

The dot productof both is zero. Always.

a•b= ab cosα

So, the vector is 4i-3j

By the above relation we get,

(4i-3j).

(4i-3j).(ai+bj)=0

4a-3b=0

4a=3b

a/b=3/4

Therefore the vector perpendicular to given vector is 3i+4j.

one month ago
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