If \[\underset{n\to \infty }{\mathop{\lim }}\,\frac{1-{{(10)}^{n}}}{1+{{(10)}^{n+1}}}=\frac{-\alpha }{10}\], then give the value of \[\alpha \] is [Orissa JEE 2005]

If \[\underset{n\to \infty }{\mathop{\lim }}\,\frac{1-{{(10)}^{n}}}{1+

1.	If \[\underset{n\to \infty }{\mathop{\lim }}\,\frac{1-{{(10)}^{n}}}{1+{{(10)}^{n+1}}}=\frac{-\alpha }{10}\], then give the value of \[\alpha \] is [Orissa JEE 2005]
A.	0
B.	?1
C.	1
D.	2
Answer» D. 2

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If \[\underset{n\to \infty }{\mathop{\lim }}\,\frac{1-{{(10)}^{n}}}{1+{{(10)}^{n+1}}}=\frac{-\alpha }{10}\], then give the value of \[\alpha \] is [Orissa JEE 2005]

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