answer is zero but how
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Let, A be any vector of magnitude A. And B with magnitude B
So, Magnitude of A+B =√(A²+B²+2ABcosΦ)
and That of A–B=√(A²+B²–2ABcosΦ)
So, the resultant of (A+B) and (A–B) will be given by the vector A
Answer:
d
Explanation:
As you can see angle btw A and resultant R is 0