2) Find the distance between the planes 2 x - y + 2 z = 5 a n d 5 x - 2 . 5 y + 5 z = 20 . 3 ) I f f o r a n y 2 × 2 s q u a r e m a t r i x A , A ( a d j A ) = 8 0 0 8 , t h e n w r i t e t h e v a l u e o f A . Share with your friends Share 0 Ankita Agarwal answered this Dear Student, Regards 0 View Full Answer Mayank Sharma answered this Use A(adjA) = det A In detA In= 8I2 (Taking 8 common) DetA= 8 0