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[" 6.The equation "],[[(1+x)^(2),(1-x)^(...

[" 6.The equation "],[[(1+x)^(2),(1-x)^(2),-(2+x^(2))],[2x+1,3x,1-5x],[x+1,2x,2-3x]|+|[(1+x)^(2),2x+1,x+1],[(1-x)^(2),3x,2x],[1-2x,3x-2,2x-3]|=0],[" (a) has no real solution "],[" (b) has "4" real solutions "],[" (c) has two real and two non-real solutions "],[" (d) has infinite number of solutions,real or non-real "]

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