Answer
(55, 0)
Work Step by Step
Slope of the tangent line= $c'(t)=\frac{(t^{2}-8t)'}{(t^{2}-9)'}=\frac{2t-8}{2t}=\frac{1}{2}$
$\implies 2t-8=t$
$\implies t=8$
When $t=8$, the point is $ ((8)^{2}-9, (8)^{2}-8(8))=(55,0)$
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