Discover Questions

In an AP, the sum of the first n terms, denoted by U1, is given by U1 = n^2 + 8n. Find the first term and the common difference.? E^x-3
x=e^y-3
x=lny-3
find f'(x)? Find the complex zeros of function -x^5+2x^4-7x^3-10x+20=0? If jamie has 5$ and purchases a soda for 1.15. How much change does jamie gets back? What is the unabridge History of math?