Let a and b be two vectors such that |2 a + 3 b | = |3 a + b | and the angle between a and b is 60^\circ. If \frac{1}{8} a is a unit vector, then | b | is equal to [31 Aug 2021 Shift 1]

JEE Main 31-Aug-2021 Shift 1 Solved Paper

Section: Mathematics

Question : 66 of 90

Marks: +1, -0

Let a and b be two vectors such that |2a + 3b| = |3 a + b| and the angle between a and b is 60°. If

a is a unit vector, then |b| is equal to

[31 Aug 2021 Shift 1]

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