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noEPk;soh dk rfDs

B'N T[dkjoD 3H cbB y = x dk b/ykfuZso fyZu'.

jZbL fJZE/ y = x, i/eo x ≥ 0 ns/ y = –x, i/eo x < 0H

y = x d/ bJh ;koDh

x
T[dkjoD 4H cbB y = dk b/ykfuZso fyZu', i/eo x ≠ 0H
x
jZbL fJ; cbB B{z f;rBw (signum) cbB efjzd/ jB. fJ;B{z j/m nB[;ko gfoGkfPs eo ;ed/
jK^

x
cbB y = dh ;koDh
x

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