The value of 8-4 - 3 - 2-21 - 2 isa 12b 2c 14d 4

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Question

The value of ${\{8^{- 4 / 3} \div 2^{- 2}\}}^{1 / 2}$ is

(a) $\frac{1}{2}$

(b) 2

(c) $\frac{1}{4}$

(d) 4

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| x | < 2

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