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which of the following expressions is positive for any value of a: a^2+4,(a+8)^2, 5a^2+2,a+13,(a-4)^2+4,(a+10)^2-1
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which of the following expressions is positive for any value of a: a^2+4,(a+8)^2, 5a^2+2,a+13,(a-4)^2+4,(a+10)^2-1

User Lakeema
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2 Answers

17 votes
17 votes
There is no way to answer this. No elimination or substitution method would solve this. Sorry.
User Bekite
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2.8k points
19 votes
19 votes

Answer:

I am not sure this is a real math equation

Explanation:

User Linar
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3.2k points
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