CBSE Class 12-science Answered
Explain signum & into functions
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Kindly do the needful
Asked by yadav.ml | 25 Apr, 2014, 11:11: AM
Expert Answer
Signum function is defined as :
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A function f:P→Q is an into function, if there exists element in co-domain set, which has no pre-image in the domain set “P”.
Answered by | 25 Apr, 2014, 02:59: PM
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