1.

`[3-4(3-4)^(-1)]^(-1)` के बराबर है।A. 7B. `-7`C. `1/7`D. `-1/7`

Answer» Correct Answer - C
`[3-4(3-4)^(-1)]^(-1)`
`implies[3-4(-1)^(-1)]^(-1)`
`implies(3-4)/((-1)^(1)]^(-1)`
`implies[3+4]^(-1)implies7^(-1)=1/7`


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