1.

यदि `sqrt(2)=1.414` है तो `(sqrt(2)-1)/(sqrt(2)+1)` का मान किसके निकटतम है?A. `0.172`B. `0.414`C. `0.586`D. `1.414`

Answer» Correct Answer - A
According to the question
`implies (sqrt(2)-1)/(sqrt(2)+1)`
Rationalize above equation
`(sqrt(2)-1)/(sqrt(2+1)xx(sqrt(2)-1)/(sqrt(2)-1)`
`implies(2+1-2sqrt(2))/1`
`implies3-2xx1.414`
`implies3-2.828=0.172`


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