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The approximate value of ` root(3)(28)` is
A. 3.0037
B. 3.037
C. 3.0086
D. 3.37

1 Answer

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Correct Answer - B
Let `y=root(3)(28)`
Taking log on both sides , we get
`logy=(1)/(3)`log 28
`(1)/(3) xx 1.4472`
`=0.4824`
`implies y`= antilog (0.4824)
= 3.037 ( approximately )

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