limx→1(1−xx2+3−2)\lim_{x\to1}\left(\frac{1-x}{\sqrt{x^2+3}-2}\right)x→1lim(x2+3−21−x)
dydx=x7y+ycos(x)\frac{dy}{dx}=x^7y+y\cos\left(x\right)dxdy=x7y+ycos(x)
4240⋅4−1\frac{4^2}{4^0\cdot4^{-1}}40⋅4−142
log(5x+7)=log(3x+5)\log\left(5x+7\right)=\log\left(3x+5\right)log(5x+7)=log(3x+5)
dydx=(2x2y2+3xy2)\frac{dy}{dx}=\left(2x^2y^2+3xy^2\right)dxdy=(2x2y2+3xy2)
(−1)(−2)(3)(2)(−1)(2)\left(-1\right)\left(-2\right)\left(3\right)\left(2\right)\left(-1\right)\left(2\right)(−1)(−2)(3)(2)(−1)(2)
−1−e3−2+(−4)ℶ- 1 - e ^ { 3 } - 2 + ( - 4 ) \beth−1−e3−2+(−4)ℶ
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