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1. a2-c2-2ab_b

  • A. (a+b+c)
  • B. (a+b+c)
  • C. (a+b+c)
  • D. (a+b+c)

Answer: Option B

Explanation:


a^2 - c^2 -2ab + b^2

= a^2 -2ab + b^2 - c^2

=(a-b)^2 -(c)^2

= (a-b+c) (a-b-c)


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