AP EAMCET202017 Sep 2020Evening ShiftMathematicsContinuity and DifferentiabilityActual

The function (y= ⁻¹( x) ) is not differentiable at ____

Options

A( ) only
B(2 ) only
C(-2 ) only
DAll options are correct

Correct answer

D. All options are correct

Step-by-step solution

Domain for ( ⁻¹ x ) is, (x (-1,1) ) both values -1 and 1 are excluded Now, ( =-1 ) and ( 2 =1 ) Also, ( -2 =1 ) Hence, ( ⁻¹( x) ) is non differentiable at ( , 2 ) and (-2 ).

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