(x^2+2x-35)/(25-x^2)=((x+7)(x-5))/((5-x)(5+x))=-(x+7)/(5+x)
<span>3</span><em>x</em><span> - 4</span><em>y</em><span> + </span><em>C</em><span> = 0, (3)</span>
<span><span>3</span><em>x</em><span> - 4</span><em>y</em><span> + 14 = 0.</span></span>
Cos(-pi) = cos(pi) => x = 2pi*k, k ∈ Z
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16
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26