Find the point where the tangent line to
y
=
2
x
4
\displaystyle {y}={2}{x}^{{4}}
y
=
2
x
4
at
x
=
1.3
\displaystyle {x}={1.3}
x
=
1.3
crosses the x-axis.
1
2
6.4
12.8
19.2
25.6
32
x-intercept =
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