if a,b are unit vectors such that a+b is a unit vector, write the value of |a^ + b^|
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a is a unit vector
a=1
b=1
a+b=1
|a^+b^|=1²+1²=1
1 ANS
a=1
b=1
a+b=1
|a^+b^|=1²+1²=1
1 ANS
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