Question

 ( 2+ √3) × ( 2 - √3) =?

1 point

1

-5

7

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Answer 1

Answer:

(2)square-(√3)square=4-3=1

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Answer 2

Answer:

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Step-by-step explanation:

(a+b)(a-b)=a²-b²

(2+√3)(2-√3)=(2)²-(√3)²

                    =4-3

                    =1

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