Draw the graph of 1/(sgn(x))
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Sign(x) = sgn (x)= -1 for x<0.
And is = 0 for x=0.
And is = 1 for x>0
The picture of the function 1/sgn(x) is enclosed.
And is = 0 for x=0.
And is = 1 for x>0
The picture of the function 1/sgn(x) is enclosed.
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kvnmurty:
Click on the red hearts thanks above please
Does it work for lnx/|lnx|
Yes. y = Lnx/ | Lnx |. Then y = 1, x>1....y=undefined for x=1....y= -1 for 0<x<1.... Domain is x>0.
Domain is x>0 excluding x=1
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