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What is the property of two vectors vec...

What is the property of two vectors ` vec A and vec B`, if ` | vec A+ vecB| = | vec A- vec B|`.

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SL ARORA-Motion in a Plane-Excercise
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  3. What is the property of two vectors vec A and vec B, if | vec A+ ve...

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  4. The sum and differnce of two vectors are perpendicular to each other. ...

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