Consider the real valued function f(x)=x2−4x−2f(x)=\frac{x^2-4}{x-2}f(x)=x−2x2−4 then find f(2).
What is 12+14+18+116+132+132\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+\frac{1}{16}+\frac{1}{32}+\frac{1}{32}21+41+81+161+321+321
What do we get on simplifying the expression xx+1+x+1x−1x(x+1)\frac{x}{x+1}+\frac{x+1}{x}-\frac{1}{x(x+1)}x+1x+xx+1−x(x+1)1