Discover Questions

Determine a condition on |x – 1| that will assure that:
(a) |x^2 – 1| < 1/10
(b) |x^2 – 1| < 1/n for a given n belongs to N, ? Do our voices change as we age? Is it true that diagonals of a quadrilateral always intersect? Find increasing ? Using Delta Epsilon definition of limit to prove that
limit as x tends to 2 x^3-4/(x^2+1)=4/5?