Question

сумма натуральных решений неравенства √х^2+6 < √15 равна

Answer 1

√х^2+6 < √15
x^2+6<=15
x^2<=9
x<=+-3
=================

Answer 2

sqrtx^2+6<_sqrt15
x^2+6<_15
x1<_+3
x2<_-3
xE[-3;3]