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39 votes
39 votes
Which of the following is equal to this expression?

(256·64)^1/4
A) 4·
\sqrt[4]{4}
B) 8·
\sqrt[4]{4}
C) 8·
\sqrt[4]{2}
D) 2·
\sqrt[4]{2}

User Japzdivino
by
2.8k points

1 Answer

13 votes
13 votes

Answer:

B)
8\sqrt[4]{4}

Explanation:


(2^(8) *2^(6) )^(1)/(4) = (2^(8+6) )^(1)/(4) =(2^(14) )^(1)/(4) =2^{(7)/(2) }=\sqrt{2^(7) } =2^(3) √(2) =8√(2) = 8\sqrt[4]{2^(2) } = 8\sqrt[4]{4}

User Derpoliuk
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3.0k points