\left\{ \begin{array} { l } { x = \sqrt { t ^ { 2 } + 1 } } \\ { y = \ln ( t + \sqrt { t ^ { 2 } + 1 } ) } \end{array} \right.

Algebra
Calculus
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Matrix

Type your math problem... \left\{ \begin{array} { l } { x = \sqrt { t ^ { 2 } + 1 } } \\ { y = \ln ( t + \sqrt { t ^ { 2 } + 1 } ) } \end{array} \right.

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