1.

मान ज्ञात कीजिए- `lim_(xto-1)(1+x+x^(2)+...+x^(10))`

Answer» Correct Answer - 1
`lim_(xto-1)(1+x+x^(2)+...+x^(10))=1+(-1)+(-1)^(9)+(-1)^(10)=1-1-1+1-1-...(-1)+1=1`


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