 # Blog

### Upside Down U in Math- Detailed Explanation

The upside down U in math, i.e., “$cap$” is the symbol of intersection. Mathematical symbols like “$cap$” and “$cup$” are

### What is 0 on a Graph? Explanation and Examples

The $0$ on a graph is the reference point for all other points. The graph of a $0$ function has an output of zero irrespective of any input. So how

### What Is the Integral of Arctan x And What Are Its Applications?

The integral of $arctan x$ or the inverse of tan x is the function that returns the inverse tangent of x as its derivative. It is equal to: \$int

### When Does a Quadratic Function Have No Real Solution?

A quadratic equation has no real solution if the value of the discriminant is negative. When we find the roots of a quadratic equation, we usually

### What Is -b/2a and Why Is It Important in Math?

The expression -b/2a is based on the constants of a quadratic equation and allows us to identify the vertex of a parabola. If you’re looking for an

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