Question 25 - CBSE Class 12 Sample Paper for 2023 Boards - Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

Last updated at August 2, 2026 by Teachoo

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.

Please check https://www.teachoo.com/3411/746/Ex-10.3--9---Find--x--if-for-a-unit-vector-a-(x---a).(x---a)-12/category/Ex-10.3/

Find |𝑥⃗| if (𝑥⃗ − 𝑎⃗). (𝑥⃗ + 𝑎⃗) = 12, where 𝑎⃗ is a unit vecto - CBSE Class 12 Sample Paper for 2023 Boards

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