the sum and difference of two vectors are equal in magnitude find the angle between the two vectors
Answers
Answered by
0
Answer:
Explanation:
Let A be vector 1
And B be vector 2
The formula of sum of two vectors
vermarishita:
Ans is 90 degree
Answered by
2
Let the two vectors be X and Y
Then according to question
|X+Y| = |X-Y|
squaring both sides
|X+Y|² = |X-Y|²
X² + Y² + 2X.Y = X²+ Y² -2X.Y
After Solving
4X.Y = 0
X.Y=0
XYcosQ = 0
(Q is angle between X and Y)
CosQ = 0
Q = 90
ie Angle betwwen the two vectors X And Y is 90 degree
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