Math, asked by sumanmanojgupta12, 6 months ago

7: Factorise a? - 2ab + b2 - c2

please solve with pic

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Answers

Answered by varaddhoke2007
0

Answer:

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

Step-by-step explanation:

a² - 2ab + b² - c²

(a - b)² - c²                   [using (a - b)² = a² - 2ab + b² identity]

(a - b + c)(a - b - c)       [using a² - b² identity, a= a-b, b = c]

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