$$n^2+\:1\:\le26$$

$$\frac{d}{dx}\left(\left(3x\right)^{2x}\right)$$

$$\int\left(2x-5\right)^2dx$$

$$-2\cdot\sin^2\left(x\right)+7\cdot\sin\left(x\right)-3=0$$

$$-633x-844y$$

$$2sinx\cdot cosx\cdot cotx\:=1$$

$$\left(x^2y^2\right)\left(x^4y^4\right)$$