limx→0(1−cos2xx)\lim_{x\to0}\left(\frac{\sqrt{1-\cos2x}}{x}\right)x→0lim(x1−cos2x)
(0)4−5(0)2+7(0)−20y\left(0\right)^4-5\left(0\right)^2+7\left(0\right)-20y(0)4−5(0)2+7(0)−20y
− 50x − 30-\:50x\:-\:30−50x−30
(12x2−3)3\left(\frac{1}{2}x^2-3\right)^3(21x2−3)3
6 + −65 + 1 + 96\:+\:-65\:+\:1\:+\:96+−65+1+9
+100−2+\frac{100}{-2}+−2100
∫ye9ydy\int ye^{9y}dy∫ye9ydy
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