If \[\underset{x\to 2}{\mathop{\lim }}\,\frac{{{x}^{n}}-{{2}^{n}}}{x-2}=80\], where n is a positive integer, then \[n=\]

If \[\underset{x\to 2}{\mathop{\lim }}\,\frac{{{x}^{n}}-{{2}^{n}}}{x-2

1.	If \[\underset{x\to 2}{\mathop{\lim }}\,\frac{{{x}^{n}}-{{2}^{n}}}{x-2}=80\], where n is a positive integer, then \[n=\]
A.	3
B.	5
C.	2
D.	None of these
Answer» C. 2

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If \[\underset{x\to 2}{\mathop{\lim }}\,\frac{{{x}^{n}}-{{2}^{n}}}{x-2}=80\], where n is a positive integer, then \[n=\]

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