1.

(ii) 22+2x+1ab b2 iii) a2-b22+1 (ii) 2a2b+2ab2+ abalive 21[(ii) 3 (x+2) + 5x-7iv) 4 (2r-1)+3x+11

Answer»

x^2+2x+1x^2+x+x+1x(x+1)+(x+1)(x+1)^2



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