If |overset rarr A xx overset rarr B| = ...

If `|overset rarr A xx overset rarr B| = |overset rarr A cdot overset rarr B|`,then find the angle between `overset rarr A ` and `overset rarr B`.

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If overset rarr A + overset rarr B = overset rarr A - overset rarr B ,then:

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The vectors overset rarr A and overset rarr B are such that | overset rarr A + overset rarr B| = | overset rarr A - overset rarr B | ,then the angle between two vectros will be :

Three vectors overset rarr P,overset rarr Q and overset rarr R satisfy the relations overset rarr P cdot overset rarr Q = 0 and overset rarr P * overset rarr R = 0 .To which vector, the vector overset rarr P is parallel to .

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