1.

यदि `x+1/x=5` है तो `(2x)/(3x^(2)-5x+3)` किसके बराबर है?A. 5B. `1/5`C. `3`D. `1/3`

Answer» Correct Answer - B
`x+1/x=5`
`:. (2x)/(3x^(2)-5x-3)` (Divide by `x`)
`=((2x)/x)/((3x^(2))/x-(5x)/x+3/x)=2/(3x+3/x-5)`
`=2/(3(x+1/x)-5)=2/(3xx5-5)`
`=2/10=1/5`


Discussion

No Comment Found

Related InterviewSolutions