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

Answers : (3)

Saurabh Koranglekar
askIITians Faculty
3163 Points
							Dear student

Let q be another vector ai +bj

f.q = 0

4a- 3b = 0 is condition

Regards
4 months ago
Arun
22998 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.

4 months ago
aswanth nayak
68 Points
							
Dear student,
Let x be a vector ai+bj
The dot product of both the vectors is ZERO

Talking about two perpendicular vectors,

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.

 

hope this helps you

Regards

3 months ago
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