Projection of ā = 3î + 4ĵ on b̄ = î + ĵ:
A√2
B(3/√2)
C(7/√2)
D3
Answer & Solution
Correct answer: C. (7/√2)
Projection of ā on b̄ = (ā · b̄)/|b̄| = (3 + 4)/√2 = 7/√2.
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