Question

2 Mark. que
<17. Factorize : a²- b2+ 2bc - C2 ​

Answer 1

Answer:

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Step-by-step explanation:

a²-b²+2bc-c² =a² - (b² -2bc +c²)

                     =a² - (b-c)²

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

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

hence.,a²-b²+2bc - c²  = (a-b+c)(a+b-c)