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यदि `lim_(xto1)(x^(4)-1)/(x-1)=lim_(xtok)(x^(3)-k^(3))/(x^(2)-k^(2))` हो, तो k का मान होगा-A. `2/3`B. `4/3`C. `8/3`D. इनमे से कोई नहीं |
| Answer» Correct Answer - C | |