Съдържание

IOM 2021, Блиц — Задача 38

The Blitz-contest of IOM-2021

Numbers $x_1$ and $x_2$ are the roots of the equation $4x^2 - 10x - 3 = 0$ . Find the value of the expression $x_1^2 + 2.5x_2$ .

If the answer is a fraction, it can be entered either as a decimal fraction or as a ratio “ $r/s$ ”. Rounding is not allowed.

Оригинал в Архива: iom-2021-blitz-tasks-eng.pdf · официални решения: iom-2021-blitz-answers-eng.pdf