$2^{74} - 2^{73} - 2^{72}$ is same as

2^{72}

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2^{71}

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2^{70}

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n o n e o f t h e s e

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Solution

The correct option is B $2^{72}$
$2^{74} - 2^{73} - 2^{72} = 2^{72} (2^{2} - 2 - 1) = 2^{72} \times 1 = 2^{72}$
Hence,correct option is $A .$

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