What does the word skeptical mean about the author's opinion in the sentence above?

Consider the quadratic equation ax^2+bx+5=0,where a, b and c are rational numbers and the quadratic has two distinct zeros.if one zero is irrational what is the other zero?

On her zoo blog, bindi describes the experience of walking the red carpet with her mum that evening, and the unmatched joy of what happened soon after. “all the categories came up, but then mine did! they said all these top actresses' names then my name! the guy said 'and the winner is . . ’ . . my heart stopped . . ‘bindi irwin! ’ i could not believe it, i won! i was amazed, in tears, i could hardly talk! i’ll never forget that great trip! ” what does the hyperbole in the excerpt the reader understand about bindi? she had a medical problem. she was extremely frightened. she became very excited. she won an important award.

Which three lines in this expert from anita desai’s games of twilight clearly show an omniscient narrator