CHAPTER-3 PAIR OF LINEAR EQUATIONS IN TWO VARIABLES EXERCISE 3.3 QUESTION -2 Form the pair of linear equations in the following problems, and find theirsolutions (if they exist) by the elimination method:(i) If we add 1 to the numerator and subtract 1 from the denominator, a fractionreduces to 1. It […]
CLASS-10 MATH’S EXERCISE 3.2 Q-3
CHAPTER-3 PAIR OF LINEAR EQUATIONS IN TWO VARIABLES EXERCISE 3.2 QUESTION -3 Form the pair of linear equations for the following problems and find theirsolution by substitution method. (i) The difference between two numbers is 26 and one number is three times theother. Find them. SOLUTION: Let the two numbers […]
CLASS-10 MATH’S EXERCISE 3.2 Q-2
CHAPTER-3 PAIR OF LINEAR EQUATIONS IN TWO VARIABLES EXERCISE 3.2 QUESTION -2 Solve 2x + 3y = 11 and 2x – 4y = – 24 and hence find the value of ‘m’ forwhich y = mx + 3. SOLUTION: 2x + 3y = 11…………………………..(I)2x – 4y = -24………………………… (II)From equation […]
CLASS-10 MATH’S EXERCISE 3.1 Q-2
CHAPTER-3 PAIR OF LINEAR EQUATIONS IN TWO VARIABLES EXERCISE 3.1 QUESTION -2 On comparing the ratios a1/a2 , b1/b2 , c1/c2 find out whether the linesrepresenting the following pairs of linear equations intersect at a point, areparallel or coincident: SOLUTION: (i) Given expressions; Comparing these equations with a1x+b1y+c1 = 0And […]