Mathematics, 26.03.2021 05:10 karen7088

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)^...

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