Math Dictionary-L deals with words starting with the letter **L**

Laplace transform is an integral transform widely used in math, with many applications of physics and engineering.

__Lateral area__

Lateral area is the surface area of a three dimensional objects excluding their bases.

__Least common denominator__

The least common multiple of the denominators of the fraction is called as least common denominator. **For example ** 6 is the least common denominator for the fractions 1/2 and 2/3.

**Least common multiple or LCM**

LCM is the least multiple of common multiples of two numbers.

** Example** ** Fine the LCM for 5 and 6.**

To find the LCM first we have to find the multiples of 5 and 6.

Multiples of 5 = { 5, 10, 15, 20, 25, **30**, 35, ....}

Multiples of 6 = { 6, 12, 18, 24, **30**, 36, ....}

LCM of 5 and 6 = **30**

__Like terms__

Like terms are terms that contain the same variables raised to the same power. While doing addition or subtraction we have to combine the like terms together and do the operation. **For example ** x³y and 4x³y are like terms.

In linear equation the highest power of the variables x and y always be 1 .So if we graph this equation we will get the line in the graph.The general form of any linear equation is ax+by+c=0

A set of points that extend infinitely in opposite directions is called line. We use the symbol. The line has many points.

More words on math dictionary-l are as follows:

The path traced by a point when it is moving with a specific geometrical conditions is called the locus of the point.

In the above diagram of the point A(x₁,y₁) whose distance from the point O(h,k) is a constant "r". The fixed point O is called the center of the circle and the distance from O to A is called radius "r".

In math logarithm is an inverse operation to exponents.

__ Laws on set operations__
We have four laws in set operation.Those are

1. Identity laws:

A∪∅=A

A∩U=U

2. Domination laws:

A∪U=U

A∩∅=∅

3. Idempotent laws:

A∪A=A

A∩A=A

4. Commutative laws:

A∪B=B∪A

A∩B=B∩A

We had given most of the words starting with the letter 'L' in this page 'Math dictionary-L'.

“Mathematics, without this we can do nothing in our life. Each and everything around us is math.

Math is not only solving problems and finding solutions and it is also doing many things in our day to day life. They are:

It subtracts sadness and adds happiness in our life.

It divides sorrow and multiplies forgiveness and love.

Some people would not be able accept that the subject Math is easy to understand. That is because; they are unable to realize how the life is complicated. The problems in the subject Math are easier to solve than the problems in our real life. When we people are able to solve all the problems in the complicated life, why can we not solve the simple math problems?

Many people think that the subject math is always complicated and it exists to make things from simple to complicate. But the real existence of the subject math is to make things from complicate to simple.”

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**Math Dictionary **