For the following questions answer them individually
If $$f(x) = \frac{x}{\sqrt{1 - x^2}}$$ and $$g(x) = \frac{x}{\sqrt{1 + x^2}}$$ then $$(fog)x =$$
The area of the region (in sq. units) bounded by $$y = \mid x \mid - 5$$ with the coordinates axes is
The equation of the line passing through the point of intersection of the lines $$3x + 4y + 5 = 0$$ and $$4x + y - 2 = 0$$ and perpendicular to the line $$\frac{x}{5} + \frac{y}{2} = 1$$ is
If $$2 \cot \theta = 3$$, then $$\frac{2 \cos \theta - \sin \theta}{2 \cos \theta + \sin \theta} =$$