Let a and b be two unit vectors such that |( a + b ) + 2( a b )| = 2. If (0, ) is the angle between a and b ,...

Question

Let a and b be two unit vectors such that |( a + b ) + 2( a b )| = 2. If (0, ) is the angle between a and b , then among the statements : (S1) : 2| a b | = | a - b | (S2) : The projection of a on ( a + b ) is 1/2

Accepted Answer

(3)

JEE Main 2022 Mathematics question

Solution

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