Let a = i +2 j +3 k and b = i + j - k . If c is a vector such that a . c =11, b .( a c ) = 27 and b . c =- 3|...

Question

Let a = i +2 j +3 k and b = i + j - k . If c is a vector such that a . c =11, b .( a c ) = 27 and b . c =- 3| b |, then | a c |^2 is equal to .........a

Accepted Answer

285

JEE Main 2023 Mathematics question

Solution