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# CBSE Class 12-science Answered

Check the function  given by  is one-one or not.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer

For x = 1, f(1) = 0,
For x = 2, f(2) = 0,
For x = 3, f(3) = 0.
Since f(1) = f(2) = f(3) = 0, therefore f is not one-one.
Answered by | 04 Jun, 2014, 03:23: PM

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