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