Discover Questions

Hello, i have a telescope and I have a lot of questions as to what i should be abke to see with it? How and when did we figure out for certain that the Earth is round? What are the principle behind measuring and laying out using tape too long and too short? Why do you need to use L'Hopital's Rule to find the limit below? limâ”¬( If x-1, x+2, and x+4 are factors of a polynomial p(x), which of the following must be equal to 0?
A) p(-2)
B) p(-1)
C) p(2)
D) p(4)?