Question

find the arc length of the graph of y= x^4/8 + 1/(4(x^2)) . x is between 1 and 2

Answer 1

\[y=\frac{x^{4}}{8}+\frac{1}{4x^{2}}\]?

Answer 2

the general formula for arc length,\[s=\int\limits_{a}^{b} \sqrt{1+(\frac{dy}{dx})^{2}}dx\]

Answer 3

ya. i know that far.....