$√^3{1 - {127/343}}$ is equal to Options: A . &nbsp1 - $2/7$ B . &nbsp$5/9$ C . &nbsp$4/7$ D . &nbsp1 - $1/7$

$√^3{1 - {127/343}}$ is equal to

Question

$√^3{1 - {127/343}}$ is equal to

Options:

A . 1 - $2/7$

B . $5/9$

C . $4/7$

D . 1 - $1/7$

Answer: Option D
Answer: (d)Expression= $√^3{1 - 127/343} = √^3{{343 - 127}/343}$= $√^3{216/343} = √^3{(6)^3/(7)^3}$= $6/7 = 1 - 1/7$

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