Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = i + 9j,
w = i + j
A. v1 = 5i + 5j, v2 = 4i - 4j
B. v1 = 5i + 5j), v2 = -4i + 4j
C. v1 = 10i + 10j, v2 = -8i + 8j
D. v1 = 
i + 
j, v2 = - 
i + 
j
Answer: B
Mathematics
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