Russian Math Olympiad Problems And Solutions Pdf Verified Instant

Let $x, y, z$ be positive real numbers such that $x + y + z = 1$. Prove that $\frac{x^2}{y} + \frac{y^2}{z} + \frac{z^2}{x} \geq 1$.

In a triangle $ABC$, let $M$ be the midpoint of $BC$, and let $I$ be the incenter. Suppose that $\angle BIM = 90^{\circ}$. Find $\angle BAC$. russian math olympiad problems and solutions pdf verified

(From the 2001 Russian Math Olympiad, Grade 11) Let $x, y, z$ be positive real numbers

Russian Math Olympiad Problems and Solutions russian math olympiad problems and solutions pdf verified