If = A ⃗=2i ̂+j ̂+ 2k ̂ then |A| is.

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5 + 2 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

If = =2i ̂+j ̂+ 2k ̂ then |A| is:

Zero

3

9

5