Question

Factorise (2a - b)^2 - 121​

Answer 1

Answer:

(2a - b)^2 - 121

(2a - b)^2 - (11)^2

(2a- b +11) (2a- b -11).......a^2-b^2 = (a+b)(a-b)

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Answer 2

Step-by-step explanation:

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