Question

If A = [1 2 4 2] find the value of k if |2A|=k|A|

Answer 1

We do say A = 1242 right . So, we are going to have as |x|
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|2A| = k|A|
|2| × |A| = k × |A|
k = |2|
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Answer 2

Answer:

k = 4.

Step-by-step explanation:

Please find the attached image.