Question

square of 109 can be easily obtained by which formula. 1)(a-b)2. 2)(a+b)2. 3)(a-b)(a+b) 4)a3-b3​

Answer 1

Answer:1

Step-by-step explanation:

(121-3)^2

Answer 2

Answer:

1 (a-b) is the correct answer

Step-by-step explanation:

1) 110-1 = 109

2) a-b

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