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PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

UP Board Solutions for Class 10 Maths Chapter 3 Exercise 3.3 Pair Of Linear Equations In Two Variables

Exercise 3.3 1.Solve the following pair of linear equations by the substitution method : Sol. (i) The given system of equations is x +3 = 14 …(1) and, x-y = 4 …(2) Substituting y = 14-x in (2), we get x – (14 -x) = 14 => x-14 x = 4=> 2x = 4 + …

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UP Board Solutions for Class 10 Maths Chapter 3 Exercise 3.2 Pair Of Linear Equations In Two Variables

Exercise 3.2 1.Form the pair of linear equations in the following problems, and find •their solution graphically. Hence, the cost of one pencil is Rs 3 and that of one pen is Rs 5.Verification: Put x = 3 and y = 5 in (1) and (2), we find that both the equations are satisfied. 2.On …

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UP Board Solutions for Class 10 Maths Chapter 3 Exercise 3.1 Pair Of Linear Equations In Two Variables

EXERCISE 3.1 1.Aftab tells his daughter, “Seven years ago, I was seven times as old as you were then. Also, three years from now, I shall be three times as old as you will be”. (Isn’t this interesting) ? Represent this situation algebraically and graphically. Sol.Let us denote the present age of daughter and her …

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UP Board Solutions for Class 10 Maths Chapter 3 Pair Of Linear Equations In Two Variables

PAIR OF LINEAR EQUATIONSIN TWO VARIABLES 1.Two linear equations in the same two variables are called a pair of linear equations in two variables, or briefly, a linear pair. The most general form of a linear pair is a1x,+b1y +c1=0 a2x +b2y + C2 = 0 where a1, a2, b1, b2, C1, C2 are real …

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Recent Posts

  • UP Board Solutions for Class 10 Maths Chapter 3 Exercise 3.3 Pair Of Linear Equations In Two Variables
  • UP Board Solutions for Class 10 Maths Chapter 3 Exercise 3.2 Pair Of Linear Equations In Two Variables
  • UP Board Solutions for Class 10 Maths Chapter 3 Exercise 3.1 Pair Of Linear Equations In Two Variables
  • UP Board Solutions for Class 10 Maths Chapter 3 Pair Of Linear Equations In Two Variables
  • UP Board Solutions for Class 10 Maths Chapter 2 Exercise 2.4 Polynomials
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