LimitBelow Command

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LimitBelow[ <Function>, <Value> ]
Returns left one-sided limit of the function for given value of variable.

CAS Syntax

LimitBelow[ <Expression f>, <Value t> ]
Computes the left one-sided limit of the function f for the given value t.
Example:
LimitBelow[1 / x, 0] yields -\infty .
LimitBelow[ <Expression f>, <Variable v>, <Value t> ]
Computes the left one-sided limit of the multivariate function f for the given value t of the given variable v.
Example:
LimitBelow[1 / a, a, 0] yields -\infty .
Note:
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