3 years ago

Which equation has 1 solution? IwI = -2 IwI = -1 IwI = 0 IwI = - 1

1 answer:

6 0

Absolute value is alwas positive
so all of them excet the 3rd one are false

|w|=0 has 1 solution

if the last one was |w|=1 then ther would be 2 solutions, -1 and 1

answer is |w|=0

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