Question

hey can any one tell the answer please
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Answer 1

Answer:

12  is the answer hope it helps you

Step-by-step explanation:

Answer 2

Answer:

hey buddy ur answer is 2

here I have applied (a-b)^2=(a+b)(a-b)

so I assumed a as √7 and b as √5

so after (√7+√5)(√7-√5)

so we can say it as (√7-√5)^2

7-5 is 2

thank u mark as brainliest if it helps you