## What coincide means?

: to happen at the same time as something else. : to agree with something exactly : to be the same as something else.

**What does it mean when two points coincide?**

In mathematics, a coincidence point (or simply coincidence) of two functions is a point in their common domain having the same image. we say that a point x in X is a coincidence point of f and g if f(x) = g(x).

**What does it mean for sets to coincide?**

If two sets are coinciding => the sets are equal. This means that Each and every element of one set is present in the other.

### Does coincide mean equal?

verb (used without object), co·in·cid·ed, co·in·cid·ing. to occupy the same place in space, the same point or period in time, or the same relative position: The centers of concentric circles coincide. Our vacations coincided this year.

**How do you use coincides?**

Coincide in a Sentence 🔉

- The grand opening of the gift shop will coincide with the winter festival so residents can begin their holiday shopping.
- When Jane’s smile did not coincide with her angry eyes, I knew she was not happy to see me.

**What does coincide mean in vectors?**

Coincident – if two vectors are coincidental, their directions are the same, although. their magnitudes may be different. In essence, they coincide (lie on each other) and. share the same points.

## What is a1 a2 not equal to b1 b2?

If both the lines intersect at a point, then there exists a unique solution to the pair of linear equations. If a1 / a2 ≠ b1 / b2 then, the pair of linear equations is consistent. 2. If a1 / a2 = b1 / b2 = c1 / c2 , then the pair of lines are coincident and the pair of equations is dependent and consistent.

**What does XX ∈ R mean?**

When we say that x∈R, we mean that x is simply a (one-dimensional) scalar that happens to be a real number. For example, we might have x=−2 or x=42.

**How do you write a complement of a set?**

The complement of any set is represented as A’, B’, C’ etc. In other words, we can say, if the universal set is (U) and the subset of the universal set (A) is given then the difference of universal set (U) and the subset of the universal set (A) is the complement of the subset, that is A’ = U – A.

### Can parallel lines coincide?

Both parallel lines and perpendicular lines do not coincide with each other. Here comes the concept of coincident lines when both the lines coincide with each other.

**Are identical lines parallel?**

By definition: Parallel lines are two lines that are always the same distance apart and never touch. Thus, the same lines are NOT parallel.