y = \frac { 2 x _ { 0 } ^ { 2 } } { x ^ { 2 } + 1 } | \frac { d y } { d x }
Solve for x
x\in \mathrm{R}
y=0
Solve for x_0
x_{0}\in \mathrm{R}
y=0
Quiz
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y = \frac { 2 x _ { 0 } ^ { 2 } } { x ^ { 2 } + 1 } | \frac { d y } { d x }
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