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Find the cube root of 217 upto two decim...

Find the cube root of 217 upto two decimal places

Text Solution

Verified by Experts

The correct Answer is:
`6.01`
`(217)^(1//3) = (6^(3)+1)^(1//3) = 6(1+1/(6^(3)))^(1//3)`
`=6(1+(1)/(3xx216)-(1xx2)/(3xx3xx2)(1/216)^(2)+".....") = 6.01`
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