1.

यदि `C+1/C=sqrt(3)` है तो `C^(3)+1/(C^(3))` का मान किसके बराबर है?

Answer» Correct Answer - A
`C+1/C=sqrt(3)`
On cubing both side
`(C+1/C)^(3)=3sqrt(3)`
`C^(3)+1/(C^(3))+3xxCxx1/C(C+1/C)=3sqrt(3)`
`C^(3)+1/(C^(3))+3sqrt(3)=3sqrt(3)`
`C^(3)+1/(C^(3))=3sqrt(3)-3sqrt(3)=0`


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