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Grade: 11 

                        
If a and b are two non-zero vectors .The value of (a+b) 2 is
2 years ago

Answers : (1)

Arun
24736 Points 
							
Dear Damodhar
 
(a + b)^2 = a.a + b. b + a.b + b.a
 
 = a^2 + b^2 + 2 a.b
 
Regards
Arun (askIITians forum expert)
2 years ago
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