1.
Find the area of the triangle formed by the XX-axis and the tangent and the normal to the curve x2a2+y2b2=1\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1 at the point (a2,b2)\left(\frac{a}{\sqrt{2}}, \frac{b}{\sqrt{2}}\right).