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If (x-1)^3=8, what is the value of (x+1)...

If `(x-1)^3=8,` what is the value of `(x+1)^2\ ?`

Text Solution

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`(x-1)^3=8`
`(x-1)^3=2^3`
`x-1=2`
`x=3`
Now,
`=(x+1)^2`
`=(3+1)^2`
`=16`
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RD SHARMA-EXPONENTS OF REAL NUMBER-All Questions
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