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Question

If a function is invertible, then the function must be

A
One-to-One Function
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B
Many - to - One function
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C
On to function
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D
Bijection
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Solution

The correct option is D Bijection
In functions chapter we have studied that the inverse of a function exists only if the function is a Bijection. A Bijection is nothing but a one-to-one and onto function.

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