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Find|x|  if (x - a).(x + a) = 12, where a is a unit vector.


This question is exactly same as   Ex 10.3 , 9 – Chapter 10 Class 12 Vector Algebra From NCERT Book.


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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.