9000068707
Level:
B
Identify the real number \(x\)
which converts the numbers \(a_{1} = x^{2} - 110\),
\(a_{2} = x^{2}\) and
\(a_{3} = x^{2} - 1\: 100\) into
three consecutive numbers of a geometric series.
\(x = -10\)
\(x = -1\)
\(x = -2\)
\(x = -4\)
\(x = -110\)