if A×B=B×A,then the angle Between A and B is ...
A) π
B)π\2
C)π\3
D)π\4
please give me solution....
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Answer:
ⒽⒺⓇⒺ ⒾⓈ ⓎⓄⓊⓇ ⒶⓃⓈⓌⒺⓇ ⒻⒺⓁⓁⓄⓌ ⒸⓁⒶⓈⓈⓂⒶⓉⒺⓈ
Explanation:
(A) π
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