Let a , b and c be three non zero vectors such that b . c =0 and a ( b c )= b - c 2 . If d be a vector such...

Question

Let a , b and c be three non zero vectors such that b . c =0 and a ( b c )= b - c 2 . If d be a vector such that b . d = a . b , then ( a b ).( c d ) is equal to

Accepted Answer

(A)

JEE Main 2023 Mathematics question

Solution