Showing posts with label cbse sample papers. Show all posts
Showing posts with label cbse sample papers. Show all posts

Thursday, 19 July 2012

Math Problem Solver

In the previous post we have discussed about Sum and difference formulas and In today's session we are going to discuss about Math Problem Solver. To solving various kinds of mathematical calculative problems by using different mathematical concepts is a very tricky task. In our daily routine life we have to face several problems in which we required to use mathematical concepts. In the same aspect math problem solver can be consider as a tool that helps in describing how to solve mathematical problem. As we define that math problem solver is a tool whose basic task is to integrate problem solving strategies with mathematical skills at one place to solve mathematical problems.

The basic task of math problem solver is that first it analyze the problem then create a mathematical relationship between problem strategies and various concepts of geometry, algebra with arithmetic’s to solve the problem. This tool processes the given problem step by step then generates the final answer very quickly. (know more about Math Problem Solver, here)
These tools have the ability to deal with any problems of any grade. It helps the students to understand any concept that they actually wants to learn. Through this tool students can solve arithmetic and word problems very easily. In mathematics, there are various kinds of mathematical concepts are defined to different problems. The math problem solver integrates these all concepts at one place for solving any kind of problem which is entered by the user.
Generally, math problem solver deals with some concepts that are algebra expressions and their concepts, concepts of line, point and line segments, polynomial expression solving strategy, how to factor polynomials and so on. The above are the most popular concept of mathematics that is widely used in this tool. This tool also helps the students to increase their analytical ability for solving a problem in a step wise step manner. In the study physics, the concept of wavelength symbol is used to denote the wave shapes that are repeated.
In a board exam, cbse sample papers can be consider as a paper that contains the different number of question to describe the paper pattern to the students.


Wednesday, 27 June 2012

How to Define Binary Relation

In the previous post we have discussed about Use Percentage Increase Calculator

and In today's session we are going to discuss about A binary relation R is said to be defined in set A if for any order pair(x,y)ϵ A x A , it is meaningful to say

That xRy   is true or false. In other words R= (x,y) ϵ A x A : xRy   is true

That is relation R in a set A is a subset of A x A. The meaning of binary is two. So binary relation is a relation between two sets, these sets may be different or identical. For the sake of convenience a binary relation will be written as only as relation. In other terms we can say dyadic relation and two place relation are called synonyms of binary relations. (Know more about Binary Relation in broad manner, here,)

Binary relation concepts are used in many branches of mathematics like ‘is greater than’, ‘is equal to ’and divides are used in arithmetic’s and ‘is congruent to ’ is used in geometry and ‘is adjacent to’ used in graph theory. Like that more concepts are used in different -2 branches. The binary relation is also used in other relation like Domain relation .For example Domain D of the relation R is defined as the set of all first element of the ordered pairs which belongs to R

Like binary relation D = x :(x,y) ϵ R , x ϵ A

Range E of the relation R is defined as the set of all first element of the ordered pairs which belongs to R

E  = y :(x,y) ϵ R , x ϵ B

As well as binary relation is also used in computer science filed.

There are some guides available in the market in which Answers To Math Problems are available and are cbse class 9 sample papers.

Thursday, 7 June 2012

How to Add Binary Numbers

Word binary stand for 2. So we say that the Binary numbers are the numbers which  represent 0 and 1. They are used to represent the electric signals on form of ON and OFF. Let us see the rules of  binary addition. According to Binary Addition, we have :
 0 + 0 = 0
1 + 0 = 1
0 + 1 = 1
1 + 1  = 1 0
1 + 1 + 1 = 1 1
Looking at the rules given above, we proceed to solve the following  addition problems of binary numbers :
   1 0 1  + 1 0 can be written as :
  1  0   1
  +  1   0
1    1     1  Ans.
 Now let us check that the above addition is correct or not :
 1 0 1 =   4 + 0 + 1 = 5
 1 0  = 2 + 0  = 2
 We observe that  5 + 2 = 7
 Let us see that the sum 1  1  1    represent the   decimal value 7 or not .
 1 1 1 = 4 + 2 + 1 = 7 Ans.
In the same way   we can add three  binary numbers too.  Let us try for  3 numbers
 To Add 1 0 0  + 1 0 1  + 1 1
 We write it as follows :
  1   0    0
1     0    1
+    1     1
1  1   0   0
 We will convert it to decimal and check the addition:
1 0 0 = 4 + 0 + 0 = 4
1 0 1 = 4 + 0 + 1 = 5
  1 + 1 =  2 + 1 = 3
 1 1 0  0 =  8 + 4 + 0 + 0 = 12, which is represented by  4 + 5 + 3 =12


 We can learn about  Probability Worksheets by  online math tutors.  We have online CBSE sample papers to understand about the pattern of question papers in different subjects and to get the idea about the important questions and in the next session we will discuss about multiplying decimals