NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Exercise 3.3 Page 53 1. Solve the following pair of linear equations by the substitution method (i) x + y = 14 x – y = 4 (ii) s – t = 3 (s/3) + (t/2) = 6 (iii) 3x – y = 3 9x – 3y = 9 (iv) 0.2x + 0.3y = 1.3 0.4x + 0.5y = 2.3 (v) √2 x+√3 y = 0 √3 x-√8 y = 0 (vi) … [Read more...] about Exercise 3.3
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Exercise 3.2
NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Exercise 3.2 Page 49 1. Form the pair of linear equations in the following problems, and find their solutions graphically. (i) 10 students of Class X took part in a Mathematics quiz. If the number of girls is 4 more than the number of boys, find the number of boys and girls who took … [Read more...] about Exercise 3.2
Exercise 3.1
NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Exercise 3.1 Page 44 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. Let the … [Read more...] about Exercise 3.1
Exercise 2.4
NCERT Solutions for Class 10 Maths Chapter 2 Polynomials Exercise 2.4 Page 36 1. Verify that the numbers given alongside of the cubic polynomials below are their zeroes. Also verify the relationship between the zeroes and the coefficients in each case: (i) 2x3+x2-5x+2; -1/2, 1, -2 (ii) x3-4x2+5x-2 ;2, 1, 1 (i) 2x3+x2-5x+2; -1/2, 1, -2 Given, … [Read more...] about Exercise 2.4
Exercise 2.3
NCERT Solutions for Class 10 Maths Chapter 2 Polynomials Exercise 2.3 Page 36 1. Divide the polynomial p(x) by the polynomial g(x) and find the quotient and remainder in each of the following: (i) p(x) = x3-3x2+5x–3 , g(x) = x2–2 (ii) p(x) = x4-3x2+4x+5 , g(x) = x2+1-x (iii) p(x) =x4–5x+6, g(x) = 2–x2 (i) p(x) = x3-3x2+5x–3 , g(x) = x2–2 Dividend = p(x) = … [Read more...] about Exercise 2.3