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Doubt if functions.... Please solve it.... Answer is C...... Thank you.....

Doubt if functions.... Please solve it.... Answer is C...... Thank you.....

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1 Answers

Anish Singhal
askIITians Faculty 1192 Points
5 years ago
Because cosx and greatest integer x both are not one one function hence f(x) is not one one and see reange wont be all real numbers quite easy to figure out from the function, hence into

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