CLASS 9 MATHS CHAPTER 2 #POLYNOMIALS EX. 2.5 Q-4 #ncert #solution #cbse #class9th #maths



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CLASS 9 MATHS CHAPTER 2 #POLYNOMIALS EX. 2.5 Q-4 #ncert #solution #cbse #class9th #maths 4. Expand each of the following, using suitable identities:(i) (x+2y+4z)2(ii) (2x−y+z)2(iii) (−2x+3y+2z)2(iv) (3a –7b–c)2(v) (–2x+5y–3z)2(vi)((1/4)a-(1/2)b +1)2

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