May 5th, 2017, 09:58 AM  #1 
Newbie Joined: May 2017 From: Pakistan Posts: 7 Thanks: 0  Matrix problem
I'm sorry I don't know where to put this question Please someone solve following questions step by step I have exam after 4 days 1) show that:  a+x a a   a a+x a   a a a+x  2) Evalute the determinate  a+x a a   a a+x a   a a a+x  Expanding by second row 3) Find inverse by adjoint method  1 3 5   2 4 7   9 8 6  4) if A =  i 0  and  i i  B =  0 1   1 0  verify that A² = B² = 12 5) Solve  1 a b   1 x b  = 0  1 c x  6) Show that  1 1 1   p q r  = (pq) (qr) (rp)  qr rp pq  Last edited by ahmed786; May 5th, 2017 at 10:02 AM. 

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