Find the arclength of
y
=
2
x
2
−
1
\displaystyle {y}={2}{x}^{{2}}-{1}
y
=
2
x
2
−
1
on
0
≤
x
≤
4
\displaystyle {0}\le{x}\le{4}
0
≤
x
≤
4
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Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity