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If A=B then angle between (A vector+ Bvector) and (A vector- B vector) is

If A=B then angle between (A vector+ Bvector) and (A vector- B vector) is

Grade:12th pass

2 Answers

Pavan Kumar
32 Points
6 years ago
Dear student ,let α is angle between A and B then α/2 is angle betwern resultant and A, B now (180-α)/2 is angle between resultant and A,-B is now angle between A+B and A-B is α/2+(180-α)/2= 90
Arun
25750 Points
6 years ago
Dear Ishan

It depends on the values of A and B vectors and angle between them. 
for example , when A = B and angle between A and B  is 90 ° 
then angle between vectors A+B and A -B is 90°.
 
Regards
Arun (askIITians forum expert)

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