If A+B=A²+B², then
(A) A and B must be parallel and in the same direction
(B) A and B must be parallel and in opposite directions
(C) either A or B must be zero
(D) the angle between A and B must be 90°
Answers
Answered by
1
Answer:
The correct option is A.
Answered by
1
Answer:
d) 90
Explanation:
- Apply the formula used in Vector Addition
- equate it to given eq
- get cosX=0
- X=90
Attachments:
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