If |A×B|=√3A.B then find |A+B|
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Answer:
If |A×B| =_/3A.B
Therefore, squaring on both sides
A×B=3.A²×B²
1=3A.B
A=1/3B
&B=1/3A
|A+B|=|1/3B+1/3A
=|3A+3B/3A×3B|
=3(A+B) /9AB
A+B /3AB
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