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is invertible and bijective same?

Dear Student,
Please find below the solution to the asked query:

A function is invertible if and only if it is a bijective function i.e. one-one injective and onto surjective function.

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hi invertible function should only have to be onto but bijective function should have to be one one as well as onto
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oh I thought ki a function must be both injective and surjective for it to be invertible : could you plz explain ?
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@ janvi 

frst of all the injective and surjective function - the function which satisfy both the condition will be called as bijective function ..

and the bijective function is always a invertible function ..

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