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The number of constant mappings from A={...

The number of constant mappings from `A={1, 2, 3, 4...., n}` to `B= {a, b}` is

A

`n!`

B

n

C

2

D

`2^(n)`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-I
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  2. The number of many one functions from A= {1, 2, 3} to B= {a, b, c, d} ...

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  3. The number of constant mappings from A={1, 2, 3, 4...., n} to B= {a, b...

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