Discover Questions

What does the E symbol between the t and the (-(pi/6),(pi/6)) mean in Calculus? What symbol is that? Why are numbers divided into 10 digits... why isn’t there an “11th” digit with only 1 digit for representation, not 2? 15x-3(3x+4)=8
what is the value of x? How do I reflect the triangle with coordinates A(-3,-2), B(-3,2), C(0,2) over the Line y=-2x-1? Why is the derivative of x/n 1/n?