By APPLYING R1= R1+R2+R3 X+2a x+2a x+2aa x a a a xtake x+2a as common(x+2a ) 1 1 1 a x a a a x operating c1= c1-c2, c2= c2-c3 (x+2a) 0. 0. 1 a-x x-a a 0 a-x xthen take x-a from c1 and c2 SEPARATELY
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