−1−(−9+2)-1-\left(-9+2\right)−1−(−9+2)
9x4−36x2y+36y29x^4-36x^2y+36y^29x4−36x2y+36y2
limn→∞ (2)n+1−12n+1\lim_{n\to\infty\:}\frac{\left(2\right)^{n+1}-1}{2^n+1}n→∞lim2n+1(2)n+1−1
−4⋅150-4\cdot150−4⋅150
t2−50−660t^2-50-660t2−50−660
9xdx+4ydy=09xdx+4ydy=09xdx+4ydy=0
−16x−2<−73-\frac{1}{6}x-2<-\frac{7}{3}−61x−2<−37
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