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Let M be the set of all 2xx2 matrices wi...

Let `M` be the set of all `2xx2` matrices with entries from the set `R` of real numbers. Then the function `f: M->R` defined by `f(A)=|A|` for every `A in M` , is (a) one-one and onto (b) neither one-one nor onto (c) one-one but not onto (d) onto but not one-one

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