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if vectors a and b are perpendicular then find |(a+b) x (a-b)|

Naisha , 6 Years ago
Grade 10
anser 1 Answers
Arun

Last Activity: 6 Years ago

Dear student
 
(a + b) x (a – b) = a x a – a x b + b x a – b x b = 0 
 
Hope it helps
 
Regards
Arun (askIITians forum expert)

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