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-/sqrt(16y^2) if y<0
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4 votes
-/sqrt(16y^2) if y<0

User InUser
by
6.8k points

1 Answer

2 votes

Answer:


4y

Explanation:


-√(16y^2)=-√(16)√(y^2)=-4|y|

As
y<0,
|y|=-y, so the expression is equivalent to
4y.

User PepeHands
by
7.8k points
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