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Which of the following equals ?
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25 Aug 2018, 14:42
25 Aug 2018, 14:42
Expert Reply
00:00
Question Stats:
77% (00:37) correct
22% (00:47) wrong based on 44 sessions
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Which of the following equals \(\frac{2^{2}+2^{2}+2^{3}+2^{4}}{(\sqrt{5}+\sqrt{3})(\sqrt{5}-\sqrt{3})}\)?
(A) 2
(B) 4
(C) 8
(D) 16
(E) 32
(A) 2
(B) 4
(C) 8
(D) 16
(E) 32
Re: Which of the following equals ?
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10 Apr 2020, 10:44
10 Apr 2020, 10:44
Expert Reply
\(\frac{2^2 (1+1+2+4)}{5-\sqrt{5} \sqrt{3} + \sqrt{5}\sqrt{ 3} -3} \)
Simplifying
\(\frac{4 \times 8 }{ 5-3} = \frac{32}{2} =16\)
D is the answer
Simplifying
\(\frac{4 \times 8 }{ 5-3} = \frac{32}{2} =16\)
D is the answer
gmatclubot
Re: Which of the following equals ? [#permalink]
10 Apr 2020, 10:44
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