Resultant of two vectors
ā and b is ✓76, the angle between them
is 60°. Then positive value a/b is
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Explanation:
c^2 = a^2 + b^2 + 2ab cos 60
7b^2 = a^2 + b^2 + ab
6b^2 = a^2 + ab
Dividing both sides by a^ 2 and letting b/a = n
6n^2 = 1 + n
n = 1/2 & -1/3.
b/a = 1/2 & -1/3.
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