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If y=x^n , then the ratio of relative e...

If `y=x^n ,` then the ratio of relative errors in `y and x` is (a) `1:1` (b) 2:1 (c) 1:n (d) n:1

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`y= x^n`
`(del y)/y= (del x)/x`
now, ` del y = n x^(n-1) del x`
`(x xx nx^(n-1) del x)/(x^n del x)`
`= n:1`
Answer
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