Solveeit Logo

Question

Question: \(\frac{a^{x} + 1}{a^{x} - 1}f(x) = \sqrt{x^{4} + 15,}\)=...

ax+1ax1f(x)=x4+15,\frac{a^{x} + 1}{a^{x} - 1}f(x) = \sqrt{x^{4} + 15,}=

A

1

B

2/3

C

1/3

D

0

Answer

1/3

Explanation

Solution

12+22+32++n21+n3\frac { 1 ^ { 2 } + 2 ^ { 2 } + 3 ^ { 2 } + \ldots \ldots + \mathrm { n } ^ { 2 } } { 1 + \mathrm { n } ^ { 3 } }

limnα\lim _ { n \rightarrow \alpha }

= 1.26\frac { 1.2 } { 6 } = 13\frac { 1 } { 3 }