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velikii [3]
3 years ago
7

Which choice is equivalent to the product below for acceptable values of x

Mathematics
1 answer:
Neko [114]3 years ago
3 0

Answer:

The correct option is B.

Step-by-step explanation:

The given expression is

\sqrt{x+2}\cdot \sqrt{x-2}

According to the property of radical expression

\sqrt{a}\cdot \sqrt{b}=\sqrt{ab}

Using this property,we get

\sqrt{(x+2)(x-2)}            

\sqrt{x^2-2^2}                 [\because a^2-b^2=(a-b)(a+b)]

\sqrt{x^2-4}

Therefore the correct option is B.

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