Question

2x to the second power - 1 divided by x to the second power + 3

Answer 1

\[\frac{2x^{2} - 1}{x^{2} +3}\]

Answer 2

also when x = 1

Answer 3

??

Answer 4

When x = 0, the answer is zero. Because, 1*1*1*1 = 1-1 = 0
If you have a zero for a numerator the value is zero.

Answer 5

FYI, the fraction is 0/4.