Let a = 2 i - 3 j + k , b = 3 i + 2 j + 5 k and a vector c be such that ( a - c ) b = -18 i - 3 j + 12 k and...

Question

Let a = 2 i - 3 j + k , b = 3 i + 2 j + 5 k and a vector c be such that ( a - c ) b = -18 i - 3 j + 12 k and a c = 3. If b c = d , then | a d | is equal to :

Accepted Answer

(4)

JEE Main 2025 Mathematics question

Solution

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