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Evaluate: (3x^2)/(x^2+8) > 0
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Geometry
Evaluate: (3x^2)/(x^2+8) > 0
Blog
Topics
Algebra
Calculus
Geometry
Number Theory
Probability
Statistics
Trigonometry
Expression: $\frac{ 3{x}^{2} }{ {x}^{2}+8 } > 0$
The denominator is always positive, so determine when the numerator is greater than $0$
$3{x}^{2} > 0$
Since the left-hand side is always positive or $0$, the statement is true for any value of $x$, except when $3{x}^{2}=0$
$3{x}^{2}=0$
Solve the equation for $x$
$x=0$
The inequality is true for any value of $x$, except when $x=0$
$x$
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